Introduction: The Evolution of American Sea Power
The US Navy's journey from a small colonial fleet to the world's dominant naval force is marked by critical moments of transformation. This summary highlights the key milestones that shaped its evolution, driven by wars, technological innovation, and strategic necessity.
From Colonial Roots to Continental Navy (1775-1785)
Origins: Privateers and the Colonial Maritime Tradition
- Early reliance on privateers: Licensed by the British to prey on enemies, these lightly armed schooners and sloops formed the foundation of American naval tradition. This early model of maritime warfare was reminiscent of the broader dynamics explored in Maritime Empires (1450-1750): Causes, Key Players, and Global Impact.
- The Continental Congress debates: After months of heated debate, on October 13, 1775, Congress creates the Continental Navy and a seven-member naval committee.
The Revolutionary War at Sea
- Incredible imbalance: The Continental Navy maxed out at 34 ships (8-30 guns each) against the Royal Navy's hundreds, including first-rate ships of the line with over 100 cannons.
- Privateers fill the gap: Hundreds of colonial privateers proved effective, taking a serious toll on British supply lines.
- Symbolic victories: Captain John Paul Jones famously retorted, "I have not yet begun to fight," during a duel with a superior Royal Navy frigate.
- French alliance turns the tide (1778): French fleet defeats Royal Navy at the Battle of the Chesapeake, enabling the Siege of Yorktown.
- Post-war drawdown: By 1785, the Continental Navy is officially disbanded; remaining ships are auctioned off.
The Navy's Rebirth and Early Conflicts (1794-1815)
The Barbary Wars and the Naval Act of 1794
- Vulnerability at sea: American merchant ships fall prey to Barbary pirates; Congress finally passes the Naval Act of 1794 to construct six frigates.
- Department of the Navy created: On April 30, 1798, Congress authorizes the Department of the Navy and the Secretary of the Navy position.
- Quasi-War with France (1798-1800): The US Navy, now with 25 vessels (over 40 guns each), proves decisive, losing only one warship while capturing two French frigates and dozens of privateers.
The War of 1812
- Outmatched but spirited: The US Navy fields 12 frigates and 14 smaller ships plus 500 privateers against Britain's 11 ships of the line and 34 frigates.
- Initial success: Iconic ships like USS Constitution and USS United States win one-on-one battles, but the Royal Navy's overwhelming numbers soon command the seas. This conflict was part of the larger story of The Revolutionary War: How a Ragtag Bunch of Rebels Defeated the British Superpower, though it came a generation later.
- British raids and burning of Washington D.C.: Naval superiority allows British forces to deal humiliating defeats.
- A permanent institution: Unlike after the Revolution, the US Navy avoids disbandment and becomes a permanent fixture of the American armed forces.
The Age of Steam and Expansion (1815-1860)
Technological Transformation
- Industrial Revolution arrives: The US Navy experiments with steam-powered ships, starting with the Demologos warship (1814).
- Paddle wheels to screw propellers: By the 1840s, virtually all new warships adopt steam power, with propellers replacing vulnerable paddle wheels.
- Massive new ships: Congress funds construction of six 74-gun ships and twelve 48-gun frigates. The USS Pennsylvania (120 guns) becomes the largest sailing ship ever to serve in the US Navy.
New Roles and Missions
- Anti-piracy campaigns: Launched across the Caribbean, Mediterranean, and Gulf of Mexico.
- Riverine warfare: Naval squadrons support army operations against Native American tribes.
- Mexican-American War (1846): The Navy conducts blockade and amphibious assault operations.
- Gunboat diplomacy: Admiral Perry's visit to Japan forcibly opens the country to foreign trade.
The Civil War: Ironclads and the Birth of the Battleship (1861-1865)
Union Strategy: The Anaconda Plan
- Blockade the South: The Union Navy swells from 90 to 260 ships within the first year.
- Split the Confederacy: A drive down the Mississippi River aims to cut the rebellion in half.
Confederate Response: Ironclads and Blockade Runners
- CSS Virginia: The retrofitted USS Merrimack features a casemate design with an armored shell and fixed cannon holes.
- USS Monitor: Rushed into construction, it features a revolutionary revolving turret.
- The First Clash of Ironclads: A nearly three-hour duel at Hampton Roads; neither side inflicts significant damage, but the birth of the battleship is witnessed worldwide.
The Ironclad Arms Race
- Union dominance: The Union fields over 50 ironclads; the Confederacy manages 33.
- Devastating power: At the Battle of Mobile Bay, it took a dozen Union warships to take down the CSS Tennessee.
- Naval technologies expand: Development of torpedoes (mines), submarines, and advanced armor.
Outcome: A Transformed Navy
- At its peak (1865): The US Navy has nearly 50,000 men, almost 700 ships, and about 60 ironclads, the second-largest in the world after the Royal Navy.
- Post-war decline: Within a decade, only about 50 operational ships and 6,000 men remain; the Navy drops to 12th place globally by the late 1870s.
The Rise to Global Power (1880s-1918)
The Spanish-American War and Mahan's Influence
- Wake-up call: Tensions with Spain and the presence of a Spanish ironclad in New York Harbor prompt repairs and new battleship construction.
- Alfred Thayer Mahan's The Influence of Sea Power upon History (1890): The book argues that naval dominance is essential for global power, deeply influencing US policy.
- Spanish-American War (1898): The US Asiatic Squadron crushes the Spanish Pacific Fleet at the Battle of Manila Bay with nearly zero casualties. The war ends in just over two months.
The Great White Fleet and Dreadnought Revolution
- President Theodore Roosevelt's "big stick" policy: The Great White Fleet (16 battleships plus escorts) sails around the world (1907-1909), demonstrating US naval power and providing invaluable logistics training.
- HMS Dreadnought revolution: The Royal Navy's new ship combines speed, armor, and uniform main batteries with steam turbine engines and advanced fire control. Navies worldwide race to build dreadnoughts.
- US responds: America starts its own dreadnoughts (USS Michigan, South Carolina, etc.) in 1909.
World War I and New Domains
- Aviation and submarines: The US Navy experiments with ship-launched biplanes (1910) and acquires its first modern submarine, USS Holland (1900).
- Naval Act of 1916: Congress funds 10 battleships, 6 battle cruisers, 30 submarines, and 50 destroyers to catch up with powers that fought the Battle of Jutland.
- US enters the war (1917): Instead of pitched battles, the Navy focuses on convoy protection and U-boat suppression, mass-producing 273 destroyers and 400 submarine chasers.
- Navy Air Corps: Plays a key role in reconnaissance and submarine hunting.
The Interwar Period and Path to World War II
Naval Arms Limitations
- Washington Naval Treaty (1922): The US is recognized as co-equal to the Royal Navy, with allowances of 525,000 tons of capital ships and 135,000 tons of aircraft carriers.
- War Plan Orange: The US Navy focuses on a potential showdown with Japan in the Pacific.
Modernization and Expansion
- President Roosevelt's investment: The National Industrial Recovery Act earmarks $238 million for 32 new ships, including carriers USS Yorktown and Enterprise.
- Pre-World War II buildup: The US builds 2 more carriers, 6 battleships, 3 heavy cruisers, 13 light cruisers, 83 destroyers, and 38 submarines.
World War II: The Final Leap to Supremacy
- Two-Ocean Navy Act (1940): Congress pledges $2 billion to double the combat fleet, 257 new ships and 15,000 naval aircraft.
- Pearl Harbor (December 7, 1941): The attack triggers US entry into the war, with naval efforts directed first at Japan.
- Overwhelming industrial power: By war's end, American factories and dockyards produce an immense fleet that dwarfs the Imperial Japanese Navy. This Pacific struggle paralleled other global conflicts of the era, such as The Rise of Japan: Analyzing the First Sino-Japanese War and Russo-Japanese Conflict, which foreshadowed Japan's naval ambitions.
- Enduring legacy: The US Navy emerges as the strongest in the world, with advanced technology and doctrines that continue to evolve through the 20th and 21st centuries.
Conclusion
The US Navy's transformation from a small, colonial privateer force to the world's dominant naval power was driven by necessity, war, and relentless technological innovation. From the ironclads of the Civil War to the dreadnoughts and carriers of the world wars, each era marked a critical leap forward. Understanding this journey is enriched by looking at Britain's earlier colonial naval framework in Exploring America's Colonial History: The British Atlantic World (1660-1750). The Navy's story continues, but its foundation was built through these pivotal moments.
today the US Navy stands as one of the strongest military forces on the planet in this video we will explore the
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the US Navy traces its origins back to the colonial period in these early days the 13 colonies belonged to the British
Empire and worth us associated with its Royal Navy this fleet was one of the strongest of its time with the force of
several hundred ships that campaigned across the world the Royal Navy would operate in the American theater to
maintain its dominions with large scale deployments during the war of Jenkins ear against the Spanish in the 1740s and
during the Seven Years War against the French in the 1750s however due to the great distances between the old world
and the new most of the time the ships in operation in the Americas were of local make the colonies boasted a large
number of commercial vessels for fishing and trade which were jerry-rigged into lightly armed schooners and sloops
for naval operations when the need arose the captains of such vessels were often American privateers who had obtained
letters of marque and reprisal from the to prey upon the enemies of Great Britain in times of war it is this early
maritime tradition that would ultimately give rise to the US Navy the official creation of the US Navy is tied to the
American Revolution of 1775 while preparations were being made to fight the British on land a similar scramble
was taking place to combat them at sea to this end the colonies turned to their ragtag force of privateers
over 2,000 Commission's would be put out calling on captains to answer the call to battle local governments also cobbled
together their own small forces like the Massachusetts naval militia meanwhile the Continental Congress discussed the
formation of an official navy to serve all thirteen colonies for over five months however they drag their heels in
heated debate proponents argued that a navy was necessary for the war effort and to win over allies while detractors
argued that it was a foolish diversion of precious resources that was doomed to fail eventually on October 13th 1775 the
Continental Congress passed the resolution creating the Continental fleet and a seven member naval committee
over the following months a series of warships were bought retrofitted or constructed the Continental Navy would
remain small with the maximum strength of 34 ships whose size ranged between eight to thirty guns by comparison the
Royal Navy had several hundred ships at its disposal which included many first-rate ships of the line carrying
more than 100 cannons on board this incredible imbalance in power was partially made up by the colonial
privateers which fielded several hundred of their own small ships the naval component of the American Revolution saw
a few traditional pitched battles in these rare cases were Lions of colonial and British ships faced off the Royal
Navy showed its supremacy as is demonstrated at the Battle of Valcour Island
most of the action instead consisted of smaller encounters and raids on shipping lines or ports here the Continental Navy
and in particular the privateers actually proved quite effective and took a pretty serious toll on the already
strained British supply lines colonial forces didn't just operate along their own Shores instead they frequently
sailed out into the Atlantic in 1776 for instance colonial forces launched an amphibious assault on the south in the
Caribbean targeting a munitions depot in 1777 famed Captain John Paul Jones would sell the eighteen gun Ranger to attack
the British coast and even land troops on enemy soil whilst in the European theater he would gain even more renown
by winning a tactical duel with a superior Royal Navy frigate in which he was told to surrender by the enemy
commander only to shout back I have not yet begun to fight despite scoring some symbolic victories the plucky colonial
fleet had a rather checkered performance in the war it was only in 1778 that the balance of power at sea would
favour the revolution when France officially joined the war against the British Franco American squadrons now
tore into British shipping lines while the big guns of the French fleet entered the fight in the American theater this
aid would prove critical to the war effort the French managed to defeat the Royal
Navy at the Battle of the Chesapeake which allowed the British forces of Lord Cornwallis to be surrounded besieged and
forced to surrender at Yorktown these victories proved to be turning points which soon brought about the end of the
war with the cessation of hostilities came a drawdown in naval activities Congress were called all of its
privateers and official frigates only a handful of which had survived the war by 1785 the Continental Navy was officially
disbanded and its remaining ships auctioned off over the following decade the newly
formed United States would find itself incredibly vulnerable at sea almost immediately American merchant shipping
lines fell prey to attacks Corsairs from the Barbary States of North Africa in particular made a habit of seizing
American ships and holding their cruise for ransom however the bankrupted Congress was
hard-pressed to raise a fleet in defense or even to simply pay the ransom pressure continued to mount
finally the naval Act of 1794 was passed or during the construction of six frigates of which only three were
completed meanwhile tensions were escalating with European powers the French monarchy had just been overthrown
in the midst of revolution and was now back to fighting the British the United States was caught in the middle and
became the target of privateers from both sides a quasi war even developed with France when Congress refused to pay
its debt to the new Revolutionary Government for two years American and French forces would joust across the
Atlantic this had the effect of forcing the United States to finally take the Navy more seriously in preparation for
the action ahead on April 30th 1798 Congress authorized the creation of the Department of the Navy and the office of
the Secretary of the Navy at the start of the conflict the US Navy boasted 25 vessels which patrolled the coast and
set off to hunt down French privateers in the Caribbean this new force was far superior to the ragtag force of the
Continental Navy its ships now carried more firepower with over 40 guns apiece and its crews were far better trained in
action this proved decisive by the end of the conflict in 1800 the French had lost two frigates
and several dozen privateers at the cost of just one American warship though it should be noted that most of France's
attention in this time was distracted elsewhere next the newly expanded US fleet would be turned to deal with the
Barbary war in 1801 the engagement here was one of blockade with peace being settled by 1805 when Marines invaded the
shores of Tripoli in these Affairs the Navy had proved it's worth but was once again forced to
reduce in size for budgetary reasons once victory was achieved however this drawdown would only last a short time
due to the outbreak of renewed conflict with the British in the war of 1812 the US Navy at this time had a fleet of just
12 frigates and 14 smaller ships which were once again supplemented by a large body of about 500 privateers the opening
stages of the war saw ships like the USS Constitution the USS Wasp and the USS United States best their opponents
repeatedly in one-on-one combat however when the main British fleet arrived towards the end of 1812 with 11 ships of
the line 34 frigates and 55 smaller craft the balance of power swung decisively towards the Royal Navy the US
Navy still managed to pull off some victories such as the Battle of Lake Erie but by-and-large
command of the Seas was yielded to the crown after all the Royal Navy was still one of the most powerful forces in the
world that had won great battles like Trafalgar just a few years earlier naval superiority allowed the British forces
to blockade or raid coastal towns and support the action of the Royal Army which dealt the Americans several
humiliating defeats including the burning of Washington DC ultimately the conflict drew to a close by 1814 when
neither side could gain a decisive advantage and grew weary of the rapidly escalating costs as peace was concluded
the US Navy would avoid being disbanded as it happened in 1785 and instead took its place as a permanent feature of the
American armed forces the following decades would be a time of great expansion for the United States as its
territory rapidly spread across the continent this was by no means a bloodless affair as many wars would be
fought to defeat the native tribes that stood in the way a war was even fought with Mexico in 1846 to ensure that Texas
would be included in the manifest destiny of America during this time the US Navy would be sub
to the rising tide of an expanding American military agenda Congress recognized the importance of a long-term
naval buildup and allocated funds to build six new seventy-four gunships of war and 1248 gun frigates the largest
amongst these the USS Pennsylvania actually boasted 120 guns and would be the largest sailing ship ever to serve
in the US Navy however without a war with any major naval power construction on these new vessels was rather slow
this all coincided with the advent of new technology coming out of the Industrial Revolution the end was fast
approaching for the age of sale and one wondered if the current generation of ships being built wouldn't just be
obsolete by the time they hit the water the u.s. naval department recognized this dilemma and was sure to begin
experimentation with the latest in steam-powered ships the first of these new vessels would be the demo logos
warship that launched in 1814 though slow and unwieldy it served as an important indicator of things to come
over the following years methods of propulsion were improved paddle wheels helped provide auxiliary power to the
primary sail before eventually being capable of replacing it outright however these outboard wheels were susceptible
to enemy fire and thus new screw driven propellers were adopted to move the propulsion system within the body of the
ship but the 1840s virtually all new warships were outfitted with some form of this new steam-powered technology but
while the scientists and engineers were busy preparing for the future the US fleet had hard work to do in the
here-and-now its first priority was to protect America's expanding maritime commerce
anti-pirate campaigns were launched across the Caribbean the West Indies the Mediterranean and the Gulf of Mexico
naval squadron sailed up rivers to support army activities against inland Indian tribes and also conducted
important blockade and amphibious assault operations during the Mexican War the US Navy yet further expanded its
reach by sending expert across the world in the hip new trend that was gunboat diplomacy the most
famous amongst these was Admiral Perry's visit to Japan which resulted in the strong-armed opening of the country to
foreign trade but while the US Navy could bully less developed nations its fleet was still far smaller and less
technologically advanced than the leading powers of the day as we shall see though upcoming war would serve to
Alba catalyze the next wave of naval development outward expansion had not come without cost for the United States
they were no longer so United especially when it came to the issue of slavery this and many other contributing factors
led to the outbreak of civil war in 1860 with the country split there would now be two navies each would have its own
strategy for winning the war the Union which controlled most of the industrial and shipping centers sought to leverage
its numerically superior fleet to suffocate the south into submission with what was referred to as the Anaconda
plan this strategy called for a strict blockade of the enemy's ports which was to be followed up by a drive down the
Mississippi to split the rebellion in half to this end Secretary of the Navy Gideon Welles
purchased or leased any ship that would float and armed it for duty his efforts would rapidly increase the size of the
US fleet from 90 to 260 ships within the first year of the war with hundreds more to come the Confederacy on the other
hand lacked the resources to mount a similar blockade their efforts instead were aimed at blockade running
capabilities and creating a small but powerful fleet of advanced ironclads they were not starting completely from
scratch since roughly half of the US Navy's officer Corps had defected and a trove of Union ships and equipment was
captured at Norfolk when it was seized by the Virginia militia blockade running efforts were mostly conducted by fast
steamer ships operating out of England and manned by British sailors who had an interest in not only making a profit
from the flicked but also finding a way to knock the u.s. down a peg
as for the Confederacy's goal of a small but powerful fleet this would fall into the hands of the Confederate Secretary
of the Navy Stefan Mallory he said about arming and purchasing a fast steamer squadron to assist in blockade busting
and to prey on the Union merchant fleet out at sea closer to home Mallory would launch an ironclad program
aimed at building ships so tough it would render the enemy's vessels useless the basic idea being to load up a
steam-powered ship with as much armor as possible to withstand incoming shots while also boasting strong cannons and
even ramming capabilities the first ship would be the CSS Virginia which was actually a retrofitted build of the USS
Merrimack that had been captured at Norfolk it was a casemate design which basically just means at a giant armored
shell with fixed cannon holes in it this is to be contrasted with the USS Monitor which featured a revolving turret that
was being rushed through construction once news got out of the Confederates plan opponent's completion the monitor
sped south to intercept the Virginia which had already taken out three Union frigates blockading Hampton Roads what
resulted was a nearly three hour duel between ironclads though neither side could inflict significant damage on one
another and ultimately parted ways the brief clash gained worldwide attention and had immediate effects on navies
around the world it was clear to all that naval Wars of tomorrow would be won by this new class of warship the
battleship had been born for the rest of the Civil War the Union and the Confederacy would compete in the
development of iron clads this arms race also involved the development of other naval technologies like torpedoes mines
and submarines overall however the south was unable to match the union's investment in resources and manpower by
1865 the Union had taken control of the Mississippi and New Orleans while the blockade had gotten significantly
stronger such that the success rate of blockade runners dropped from 90% to less than 30% the Confederacy was
slowly succumbing to the anacondas coils but the South would not go down without a fight at sea and on the rivers
ironclads played an ever increasing role in naval warfare over the course of the war the Union would field over 50 of
these ships while the Confederacy boasted 33 the Battle of Mobile Bay proved just how dominating they could be
on the battlefield when it took about a dozen Union warships to take down the mighty CSS Tennessee eventually thanks
in part to u.s. naval actions the Confederacy would ultimately be defeated and forced to surrender on April 9th
1865 the Civil War had raised the u.s. Navy - never before seen levels of development at its height in 1865 it had
nearly 50 1000 men in uniform almost 700 ships afloat and roughly 60 ironclads altogether this made it the second
largest in the world after the Royal Navy however the exorbitant costs could not
be maintained and the post-war years saw a huge drawdown in naval strength within a decade the US Navy would only have a
fleet of about 50 operational ships crewed by around 6,000 men the deterioration would continue as American
priorities turn to other matters by the late 1870s most of the ironclads were laid up in dock yards that were
ill-equipped and maintained in world standings the US Navy had dropped to 12th place however foreign danger would
once again prompt action in 1873 an uptick in tensions with Spain coupled with the presence of a Spanish ironclad
in the New York Harbor freaked out the Navy so much that it ordered the repair of several of its old ironclads while
issuing contracts for the construction of five new battleships four of these were the m48 class monitors which should
be starting to look quite familiar to us while these would have been impressive bastions of modernity much of the rest
of the fleet was still composed of outdated wooden vessels in 1882 the Secretary of the Navy
William hunt requested funds for the construction of new ships five new protected cruisers were built along with
the very first battleships the USS Texas and the USS Maine with more to follow in the years to come in
keeping with the latest in a military thinking they carried armored protection along their sides and around vital
equipment while sporting guns with ever-increasing range yet further attention was brought to the Navy with
the 1890s release of Alfred Thayer Maine's influential book on sea power clearly if the US were to be taken
seriously as a world player in the upcoming century it had to be prepared to dominate the waves the truth of this
lesson was driven home with the outbreak of the spanish-american war in April of 1898 fighting would largely be fought at
sea around the territorial possessions of the Caribbean and the Philippines out west the United States Asiatic squadron
under Commodore George Dewey would engage the Spanish Pacific Fleet at the Battle of Manila Bay the Spanish
squadron was composed of outdated and inferior ships which were out ranged and outgunned by their American counterparts
the result was one of the most decisive naval battles in history where an enemy fleet was crushed at the cost of only
one slightly damaged vessel and a single death due to heat stroke u.s. naval power proved similarly decisive in the
Caribbean theater and the war was brought to a swift conclusion in just over two months in this new world
clearly those who failed to keep up with the technological evolutionary race would not survive coming off the back of
its victory in the spanish-american war the United States had lofty Imperial aspirations in the 20th century in this
regard President Theodore Roosevelt would lead the charge with his famous motto speak softly but carry a big stick
this meant a huge investment in the Navy that would see it jump back up to being the second largest in the world as a way
of celebrating Roosevelt would parade the new wait fleet around the world for all to
see consisting of 16 battleships and numerous escorts it was a formidable show of power the epic 14 month journey
also served as a training exercise for the Navy and taught it much about the logistics behind operating at such a
large scale with World War 1 just around the corner this sort of experience would be invaluable however by the time the
famed Great White Fleet was done showing off it was already at risk of being rendered obsolete the Royal Navy had
just rolled out with its new revolutionary ship the HMS dreadnought what was so important about this ship
was that in the past naval designers had always had to find a compromise with regards to speed versus armor and
armament battleships were slow but powerful while cruisers were fast but weak the dread-nots managed to combine
the two by producing a ship that was both fast and powerful it did so by introducing a brand-new type of steam
turbine engine in addition the HMS dreadnought featured uniform main batteries for the first time which were
controlled by an advanced fire control system immediately navies around the world raced to retrofit their fleets
with the new design whilst engaging in a feverish dreadnought arms race America would start work on its own ships in
1909 called the USS Michigan South Carolina Delaware and North Dakota but it wasn't
just on this front that the Navy would have to play catch-up the battle at sea now expanded to include the space above
and below the waves in 1903 the Wright brothers had flown the world's first plane by 1910 the US would be
experimenting with launching biplanes from its ship decks and in 1911 awarded its first contract for receiving
aircraft meanwhile underwater submarines were also being deployed the US Navy acquired its first modern one with the
commissioning of the USS Holland in 1900 it's descendants would become the plunger class sub five of which formed
the first u.s. submarine fleet more would be produced but it would be the German u-boat
that really led the pack in submarine technology the first world war broke out in 1914 but the United States under
President Woodrow Wilson remained neutral with the general policy of appeasement
however as Germany's submarine warfare took a greater and greater toll at sea including killing 128 Americans with the
sinking of the Lusitania Wilson began to seriously plan for war the following year Congress passed the
naval Act of 1916 which was to fund the construction of ten battleships six battle cruisers thirty submarines fifty
destroyers and other support craft this would do much to catch up to the other major powers of the day which had just
fought the massive naval Battle of Jutland however when the u.s. finally entered the war in 1917 it would not go
on to partake in any pitched battles at sea rather the US Navy mostly focused on safely moving troops and material
through u-boat infested waters the production of battleships thus quickly gave way to the mass production of two
hundred and seventy-three destroyers and four hundred submarine chasers for convoy protection and u-boat suppression
activities the new Navy Air Corps also got it in on the action when it came to flying reconnaissance and hunting
submarines when the First World War ended on November 11th 1918 the US Navy's sixth battle squadron would join
the Royal Navy as it watched the German fleet sail across the North Sea to formally surrender many of the ships in
attendance on both sides would soon be decommissioned as the post-war years saw nations reduce their military budgets
and the international community attempted to impose arms limitations the Washington Naval Treaty of 1922 in
particular prescribed a specific ratio of capital ships between treaty nations as a testament to how far the United
States Navy had come it was recognized as co-equal to the Royal Navy with an allowance for up to five hundred
twenty-five thousand tons of capital ships and 135 thousand tons of the emerging aircraft carrier type but only
a couple decades would pass before the world erupted and to another globe conflict for the United States Navy this
was a scenario that was the constant source of discussion and war plans would be developed to handle this eventually
one of these the famous war plan orange looked across the Pacific towards a showdown with Japan which had in recent
years been building itself up as a regional powerhouse to be reckoned with the Great Depression risked
deteriorating the Navy's preparedness but President Roosevelt an old Navy man earmarked 238 million dollars from the
National Industrial Recovery Act to build 32 new ships included in this count were two new aircraft carriers the
USS Yorktown and the enterprise these would join the four carriers already in the US fleet as a growing recognition of
the importance of air dominance in naval combat in the ensuing years leading up to World War two the US would build two
more carriers six battleships three heavy cruisers thirteen light cruisers 83 destroyers and 38 submarines when
world war ii broke out in Europe the United States was once again faced with the dilemma of whether or not to become
involved but as Axis forces overran Western Europe and threatened eastern asia the u.s. was forced to consider the
very real possibility that it would soon face a two-front war in response Congress passed the - ocean Navy bill in
1940 which pledged two billion dollars to double the size of the combat fleet by adding 257 ships and 15,000 naval
aircraft the vast industrial capabilities of the United States now begin to turn official US involvement in
the war would be kicked off upon the attack on Pearl Harbor on December 7th 1941 which triggered declarations of war
with Japan and Germany in these matters u.s. naval efforts would first be directed towards Japan initially the
Imperial Japanese Navy began with a stronger force in the Pacific but by the end of the war would be absolutely
dwarfed by the immense numbers of ships pouring out of American factories and dock yards to illustrate this point I'll
refer you to a fantastic video produced by military history last suffice to say the Second World War
was a truly transformative time for the u.s. Navy which propelled it to becoming the strongest in the world many new
technological and doctrinal advancements would take place that were further developed over the course of the 20th
and 21st centuries for now this is where we will conclude our video on the cusp of the final great leap of the US Navy
but so far I hope we've been able to shed light on the many steps which led up to this critical moment in history
stay tuned for more exciting content on this front and again a special thanks to all of our sponsors our researchers our
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The US Navy originated from colonial privateers—lightly armed ships licensed by the British to attack enemy vessels—which established America’s maritime tradition. During the Revolutionary War, the Continental Navy was created in October 1775 but remained small against the Royal Navy, so hundreds of privateers filled the gap, disrupting British supply lines and proving crucial for early naval defense.
The Barbary Wars (1801–1805) prompted the Naval Act of 1794 to build six frigates, and the Department of the Navy was established in 1798 after the Quasi-War with France. In the War of 1812, despite being outmatched by Britain, iconic ships like the USS Constitution won symbolic battles, leading Congress to make the Navy a permanent fixture rather than disbanding it after the conflict.
The US Navy transitioned from sail to steam power, starting with the Demologos warship in 1814 and adopting screw propellers by the 1840s to replace vulnerable paddle wheels. This era also saw construction of massive ships like the USS Pennsylvania (120 guns), enabling new roles such as anti-piracy campaigns, riverine warfare in the Mexican-American War, and gunboat diplomacy to open Japan.
The Union’s Anaconda Plan required a massive blockade, swelling the Navy to 260 ships, while the Confederacy countered with ironclads like the CSS Virginia. The first clash of ironclads at Hampton Roads (1862) between the Monitor and Virginia marked the birth of the battleship, sparking an arms race that saw the Union field over 50 ironclads. By 1865, the US Navy became the world’s second-largest, but it declined to 12th place within a decade.
Mahan’s 1890 book, The Influence of Sea Power upon History, argued naval dominance is essential for global power, deeply influencing US policy and justifying a larger fleet. This led to the Spanish-American War victories (1898) and President Roosevelt’s Great White Fleet world tour (1907–1909), showcasing American strength and training logistics, while the US also entered the dreadnought race with HMS Dreadnought’s innovations.
In WWI, the US Navy focused on convoy protection and submarine hunting, producing 273 destroyers and 400 sub chasers. The interwar Washington Naval Treaty (1922) recognized the US as co-equal to the Royal Navy, while modernization efforts (e.g., the National Industrial Recovery Act) built carriers like Yorktown. The Two-Ocean Navy Act (1940) allocated $2 billion to double the fleet, and Pearl Harbor triggered industrial output that made the US Navy the world’s strongest by 1945.
After the Civil War, the US Navy rapidly downsized due to reduced military budgets and a return to peacetime priorities, dropping from nearly 700 ships to about 50 operational vessels within a decade. By the late 1870s, the Navy ranked 12th globally, as technological advances like steam power required expensive upgrades, and the US focused on internal reconstruction rather than maintaining a large standing fleet.
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