History of Submarines: From Invention to Modern Warfare

The History of submarines reflects centuries of ingenuity, from imaginative underwater vessels to powerful machines capable of remaining submerged for months. Their development transformed naval warfare by introducing stealth, concealment, and the ability to strike beneath the sea.

This evolution began with experimental designs and mechanical challenges, then accelerated through military conflict, improved propulsion, electric power, and nuclear technology. Each breakthrough reshaped submarine operations and established their enduring role in modern military strategy.

Early Concepts That Shaped the History of Submarines

The history of submarines began with the idea that vessels could travel beneath the water’s surface. Early accounts often describe diving bells and underwater chambers, although many were theoretical or lacked reliable evidence of construction.

In 1578, English mathematician William Bourne described an enclosed boat that could submerge by reducing its volume and rise by displacing water. His design was never built, but it introduced important principles of buoyancy and ballast.

Leonardo da Vinci produced sketches of a possible underwater vessel during the late fifteenth or early sixteenth century. Their purpose remains uncertain, and there is no evidence that he constructed or tested the design.

Around 1620, Dutch inventor Cornelis Drebbel developed a covered, oar-powered boat that reportedly operated underwater in the River Thames. Its exact performance is debated, yet the experiment marked a significant transition from speculation toward practical submarine development.

The First Military Submersibles of the Eighteenth Century

During the eighteenth century, advances in naval warfare encouraged inventors to explore vessels capable of operating beneath the surface. Their designs sought to approach enemy ships without detection, although limited materials, navigation, and air supply made underwater operations extremely difficult.

Military submersible concepts of the period generally shared several features:

• A compact, watertight hull
• Manual propulsion through oars, pedals, or screws
• Ballast systems for submerging and resurfacing
• Explosive charges intended to damage larger vessels

The most important development appeared in 1776, when David Bushnell’s Turtle was used in an attempted attack on HMS Eagle during the American Revolutionary War. It is widely regarded as the first documented submarine employed in a combat operation.

The attempt did not achieve its objective, and the vessel’s exact performance remains partly dependent on historical accounts. Nevertheless, it demonstrated that a submersible could be considered a military weapon rather than merely a scientific experiment, shaping the broader history of submarines.

David Bushnell’s Turtle and Revolutionary War Innovation

David Bushnell’s Turtle was a small, one-person submersible developed in Connecticut in 1775 during the American Revolutionary War. Its wooden, oak-reinforced hull used hand-operated propellers for movement and a ballast system to control submersion and ascent.

The vessel carried a timed explosive charge intended for attachment beneath an enemy ship’s hull. On 6 September 1776, Sergeant Ezra Lee operated the Turtle in an attempt to attack HMS Eagle in New York Harbor, although he could not secure the charge to the ship.

The mission failed, yet the Turtle demonstrated that underwater navigation and offensive operations were technically possible. Its design combined controlled diving, underwater propulsion, and a naval mine concept in a single craft.

Within the history of submarines, Bushnell’s invention represented an important early step toward military undersea warfare. Its limited endurance and difficult operation prevented immediate success, but its principles influenced later experiments in submarine design.

Robert Fulton and the Nautilus Experiment

Robert Fulton, an American inventor and engineer, developed the Nautilus in France between 1798 and 1801. His design featured a streamlined copper-covered hull, a hand-operated propeller, diving planes, and a collapsible mast for surface sailing.

The Nautilus carried compressed air to support its crew while submerged. Fulton conducted trials near Rouen and Brest, demonstrating that the vessel could dive, travel underwater, and return to the surface under controlled conditions.

Fulton hoped France would use the submarine against British naval forces during the Napoleonic Wars. Although his demonstrations attracted official attention, French authorities did not adopt the Nautilus, partly because of doubts about its military practicality and limited underwater endurance.

The experiment nevertheless marked an important stage in the history of submarines. Fulton combined earlier submersible ideas with practical propulsion and control systems, establishing design principles that influenced later nineteenth-century submarine development.

Nineteenth-Century Advances in Submarine Design

During the nineteenth century, submarine designers moved beyond hand-powered craft and experimented with more practical propulsion systems. Human-powered vessels remained limited, while steam engines offered greater range but created serious problems involving heat, exhaust, ventilation, and underwater operation.

Inventors also explored air-independent power. Compressed air, chemical reactions, and closed-cycle engines were tested, although these systems often produced insufficient endurance or dangerous conditions for crews. Battery technology gradually became more promising, particularly for short underwater voyages.

Submarine hulls, ballast arrangements, and control surfaces also improved. Designers learned to regulate buoyancy more precisely and maintain depth, while stronger iron and steel construction allowed larger vessels to withstand underwater pressure.

The American Civil War demonstrated the potential and danger of submarine warfare. The Confederate submarine H. L. Hunley became the first combat submarine credited with sinking an enemy warship in 1864, although it was lost with its crew. These experiments advanced the history of submarines toward mechanically powered naval vessels.

Improved Propulsion Systems

During the nineteenth century, submarine designers sought propulsion systems that could operate both on the surface and underwater. Early craft relied on human-powered cranks, but these produced limited speed and exhausted crews quickly, restricting endurance and maneuverability.

Compressed air offered a significant alternative. France’s Plongeur, launched in 1863, used a compressed-air engine and became the first mechanically powered submarine. Its system provided greater underwater power, although limited air capacity and technical difficulties prevented sustained practical service.

Electric propulsion also advanced during this period. Narcís Monturiol’s Ictíneo II, demonstrated in 1864, combined electric motors with batteries for underwater movement. It also incorporated a chemical oxygen system, although battery technology remained insufficient for reliable long-distance operations.

These experiments shaped the history of submarines by establishing propulsion as a central engineering challenge. Designers increasingly combined surface engines with submerged electric or compressed-air systems, creating the foundation for more capable mechanically powered vessels in the late nineteenth century.

Early Air-Independent Power Experiments

Early submarines generally depended on human muscle, surface-supplied air, or stored compressed air. These limitations encouraged engineers to seek power sources that could operate without drawing air from the atmosphere, an important transition in the history of submarines.

During the nineteenth century, inventors explored chemical and closed-cycle systems. Narcís Monturiol’s Ictineo II, launched in 1864, used a chemical process that produced heat and oxygen inside the vessel. This supported a steam engine while the submarine remained submerged.

Notable experiments included:

• The French Plongeur, launched in 1863, used compressed air to drive a mechanical engine. It carried its air supply onboard, although it was not air-independent in the modern technical sense.
• Ictineo II demonstrated that chemical reactions could support both propulsion and crew respiration underwater.

These systems were inefficient, difficult to control, and limited in endurance. Nevertheless, they established principles later developed through electric batteries, internal-combustion engines, and, much later, nuclear power.

Submarine Development During the American Civil War

During the American Civil War, submarine development moved from experimental craft toward limited battlefield use. Both Union and Confederacy investigated small, low-profile vessels designed to evade blockades and attack larger ships with explosive charges, although reliability and crew safety remained serious problems.

The Union’s Alligator, designed by French engineer Brutus de Villeroi, was launched in 1862. It used hand-powered propellers and carried an air-supply system, but never entered combat. The vessel sank while being towed off North Carolina in 1863.

Confederate efforts included the semi-submersible CSS David and several fully submerged boats. David attacked USS New Ironsides in Charleston Harbor in October 1863 with a spar torpedo, damaging the Union vessel. Its crew escaped after the craft surfaced.

H. L. Hunley, built in Mobile and operated from Charleston, sank USS Housatonic with a spar torpedo on 17 February 1864. The craft then disappeared with its crew, highlighting dangers central to the history of submarines.

The Rise of Electric and Mechanically Powered Submarines

By the late nineteenth century, submarine designers were replacing human-powered systems with electric motors and mechanical engines. Battery-driven propulsion allowed vessels to travel underwater without exhausting the crew, although endurance remained limited by battery capacity.

Several experimental submarines demonstrated this progress:

• Isaac Peral’s Spanish submarine, launched in 1888, used electric propulsion and carried torpedoes.
• France’s Gymnote, launched in 1888, operated with battery power.
• Gustave Zédé’s boat, completed in 1893, combined electric power with improved underwater control.

Mechanical propulsion also advanced through steam engines and internal-combustion engines. Steam-powered submarines could produce greater surface speed, but their boilers required air and generated heat, making submerged operation difficult. Gasoline engines offered a more practical alternative while the vessel remained on the surface.

These developments established the mixed-power arrangement that shaped the history of submarines: engines propelled the vessel and charged batteries on the surface, while electric motors powered underwater movement. Greater range, improved steering, and reliable torpedo systems prepared the way for John Philip Holland’s integrated designs.

John Philip Holland and the Modern Submarine

John Philip Holland’s early designs addressed the limitations of earlier submersibles. His 1881 Fenian Ram used compressed air for propulsion and demonstrated practical underwater control. Later boats refined ballast systems, steering mechanisms, and torpedo-launching arrangements.

Holland’s most influential design, Holland VI, was launched in 1897. It combined a gasoline engine for surface travel with an electric motor and batteries for submerged movement, establishing a configuration that shaped the modern submarine.

Key features of Holland’s approach included:

• A cigar-shaped, streamlined hull
• Separate surface and underwater power systems
• Improved ballast tanks for diving and surfacing
• Internal torpedo tubes for offensive operations

The United States Navy purchased Holland VI in 1900 and commissioned it as USS Holland (SS-1). Although small and limited by modern standards, it provided a practical model for naval service and crew training.

The Holland design helped persuade major navies that submarines could become effective military vessels rather than experimental craft. Its balanced propulsion and weapon systems marked a defining stage in the history of submarines.

Holland’s Early Designs

John Philip Holland’s first submarine, Holland Boat No. 1, was launched in 1878 with financial support from Irish nationalists. The small craft served as an experimental platform, allowing Holland to test underwater steering, ballast control, and propulsion.

His next major design, Holland Boat No. 2, became known as the Fenian Ram. Launched in 1881, it featured a stronger hull, improved diving controls, compressed-air propulsion, and a forward torpedo tube. These features reflected Holland’s growing understanding of submerged warfare.

Holland continued refining his designs through the early 1880s, addressing stability, endurance, and practical weapons operation. His work demonstrated that a submarine required controlled buoyancy and reliable propulsion, not simply a watertight hull.

Although these early vessels had limited military capability, they established design principles that influenced the history of submarines. Holland’s experiments eventually attracted naval interest and laid the groundwork for the more capable submarine launched for the United States Navy in 1897.

The Launch of USS Holland

John Philip Holland’s sixth submarine, Holland VI, was launched on 17 May 1897 at the Crescent Shipyard in Elizabethport, New Jersey. Built with financial backing from businessman Elihu B. Frost, it represented a major advance over Holland’s earlier experimental vessels.

The 53-foot submarine combined a gasoline engine for surface travel with electric batteries and a motor for submerged operation. Its design also included horizontal diving planes, enabling better control of depth than many earlier submersibles.

Successful trials demonstrated Holland VI’s practical military potential. The vessel could travel on the surface, submerge, and maneuver underwater with greater reliability, attracting attention from United States Navy officials.

The Navy purchased the submarine on 11 April 1900 and commissioned it as USS Holland on 12 October that year, designating it SS-1. This event marked a significant stage in the history of submarines and established Holland’s design as the foundation of America’s early submarine fleet.

The Adoption of Submarines by Major Navies

The successful trials of Holland’s designs demonstrated that a submarine could operate as a practical naval weapon rather than a purely experimental craft. The United States Navy purchased Holland VI, commissioned as USS Holland in 1900.

Other maritime powers soon examined similar designs, adapting them to national requirements. Key early adopters included:

• Britain, which developed the Holland-class submarines from 1901
• Japan, which acquired Holland-type boats and commissioned its first submarines in 1905
• Germany, which launched U-1 in 1906
• France, which continued developing indigenous submarine designs

Adoption was not immediate or universal. Naval officers debated the vessels’ reliability, limited endurance, slow underwater speed, and vulnerability to mechanical failure. Many initially viewed submarines as coastal-defense craft rather than replacements for surface warships.

Within the history of submarines, this period established the basic pattern of naval integration: submarines were assigned to reconnaissance, harbor defense, and torpedo attacks. Improvements in engines, batteries, hull construction, and crew training gradually persuaded major navies to create dedicated submarine forces.

Submarines in the First World War

The First World War transformed submarines from experimental naval craft into strategic weapons. Germany’s U-boats attacked Allied merchant shipping, while British, French, and Russian submarines operated in the North Sea, Mediterranean, Baltic, and other theatres.

Germany declared unrestricted submarine warfare in 1917, allowing U-boats to attack merchant vessels without warning in designated areas. The sinking of RMS Lusitania in 1915 intensified international outrage and contributed to the United States entering the war in 1917.

Allied forces responded with escorted convoys, destroyer patrols, mines, depth charges, hydrophones, and Q-ships—armed merchant vessels designed to deceive submarines. These measures reduced U-boat effectiveness, although submarine crews remained a serious threat to naval and commercial shipping.

The wartime experience shaped the history of submarines by demonstrating their ability to disrupt national economies and naval strategies. It also exposed operational limitations, including restricted endurance, vulnerable surface travel, and dependence on intelligence, weather, and support vessels.

Technological Transformation Between the World Wars

After the First World War, submarine designers refined lessons from wartime operations. Diesel engines powered surface travel, while electric motors and batteries enabled submerged movement. Improved hull forms, diving controls, and battery capacity increased range, endurance, and underwater performance.

Naval treaties shaped development as much as engineering did. The Treaty of Versailles prohibited Germany from possessing submarines, yet German firms secretly developed designs abroad. Britain, France, the United States, Japan, and Italy continued building diesel-electric boats for reconnaissance, commerce protection, and fleet operations.

Detection technology also advanced. British researchers developed ASDIC, an early form of active sonar, during the 1920s; it entered naval service during the following decade. Submarines responded with quieter machinery, improved compartmentalization, and tactics designed to reduce their acoustic and visual exposure.

Torpedoes became more reliable, while improved periscopes, radio equipment, and fire-control systems allowed commanders to attack from greater distances. These changes defined the interwar history of submarines and established the technical foundation for the larger, faster boats used during the Second World War.

Nuclear Power and the Modern Legacy of Submarine History

Following World War II, nuclear power transformed submarine design. USS Nautilus, launched in 1954, became the world’s first nuclear-powered submarine and demonstrated that reactors could provide sustained underwater propulsion without frequent surfacing.

Nuclear-powered submarines achieved greater speed, endurance, and operational range than diesel-electric vessels. Their crews could remain submerged for weeks or months, limited mainly by food supplies, maintenance, and human endurance rather than battery capacity or atmospheric oxygen.

The technology also reshaped Cold War strategy. Ballistic-missile submarines, beginning with USS George Washington in 1959, provided a concealed nuclear deterrent, while nuclear-powered attack submarines conducted surveillance, escort, and anti-submarine missions across the world’s oceans.

In the modern history of submarines, nuclear propulsion remains concentrated among major naval powers because reactors require advanced engineering, strict safety procedures, and substantial financial resources. Conventional submarines, including air-independent designs, continue serving nations seeking quieter and more affordable underwater capabilities.