The first military submarine was Turtle (1775), a hand-powered egg-shaped device designed by the American David Bushnell  to accommodate a single person. It was the first verified submarine capable of independent underwater operation and movement, and the first to use screws for propulsion. During the American Revolutionary War, Turtle (operated by Sgt. Ezra Lee, Continental Army) tried and failed to sink the British warship HMS Eagle, flagship of the blockaders in New York harbor on September 7, 1776.[26]
The Nautilus (1800)

In 1800, France built a human-powered submarine designed by American Robert Fulton, the Nautilus. The French eventually gave up on the experiment in 1804, as did the British when they later considered Fulton’s submarine design.

During the War of 1812, in 1814, Silas Halsey lost his life while using a submarine in an unsuccessful attack on a British warship stationed in New London harbor.

The Hipopotamo was the first submarine in South America. It was first tested in Ecuador on September 18, 1837. It was built by Jose Rodriguez Lavandera, who successfully crossed the Guayas River in Guayaquil accompanied by Jose Quevedo. Rodriguez Lavandera enrolled in the Navy in 1823, becoming a Lieutenant by 1830. The Hipopotamo crossed the Guayas on two more occasions, but it was then abandoned because of lack of funding and interest from the government.

The Mikoyan MiG-29 (Russian: Микоян МиГ-29; NATO reporting name: Fulcrum) is a 4th-generation jet fighter aircraft designed in the Soviet Union for an air superiority role. Developed in the 1970s by the Mikoyan design bureau, it entered service with the Soviet Air Force in 1983, and remains in use by the Russian Air Force as well as in many other nations. The NATO name “Fulcrum” was unofficially used by Soviet pilots in service.The MiG-29, along with the Sukhoi Su-27, were developed to counter new American fighters such as the McDonnell Douglas F-15 Eagle, and the General Dynamics F-16 Fighting Falcon.

The de Havilland DH.110 Sea Vixen was a twin boom 1950s–1960s British two-seat jet fighter of the Fleet Air Arm (the air component of the Royal Navy) designed by de Havilland. Developed from an earlier first generation jet fighter, the Sea Vixen was a capable carrier-based fleet defence fighter that served into the 1970s. Initially produced by de Havilland it was later known as the Hawker Siddeley Sea Vixen when de Havilland became a part of the Hawker Siddeley group.

The Grumman F-14 Tomcat is a supersonic, twin-engine, two-seat, variable-sweep wing fighter aircraft. The Tomcat was developed for United States Navy’s Naval Fighter Experimental (VFX) program following the collapse of the F-111B project. The F-14 was the first of the American teen-series  fighters which were designed incorporating the experience of air combat against MiGs during the Vietnam War.

The F-14 first flew in December 1970. It first deployed in 1974 with the U.S. Navy aboard USS Enterprise (CVN-65), replacing the F-4 Phantom II. The F-14 served as the U.S. Navy’s primary maritime air superiority fighter, fleet defense interceptor and tactical reconnaissance platform. In the 1990s it added the Low Altitude Navigation and Targeting Infrared for Night (LANTIRN) pod system and began performing precision strike missions.[1] The F-14 was retired from the active U.S. Navy fleet on 22 September 2006, having been replaced by the F/A-18E/F Super Hornet.[2] As of 2009, the F-14 is in service with only the Islamic Republic of Iran Air Force, having been exported to Iran in 1976, during a time when the US had good diplomatic relations with the nation.

(data from Wikipedia.org: http://en.wikipedia.org/wiki/F-14_Tomcat)

The Boeing/Sikorsky RAH-66 Comanche was an advanced U.S. Army military helicopter intended for the armed reconnaissance role, incorporating stealth technologies. It was also intended to designate targets for the AH-64 Apache. The RAH-66 program was canceled in 2004 before it was fielded.

The RAH-66 is powered by two LHTEC T800 turboshaft engines. The RAH-66’s fuselage is 43 feet (13 m) long and is made of composite material. It incorporated stealth features to avoid detection, such as retractable weapon stations and main gun, and stealth faceting and radar absorbent materials. The Comanche’s noise signature is noticeably smaller than others in its class. The U.S. Army’s current armed scout helicopter is the OH-58D Kiowa Warrior, but it is an upgraded version of a Vietnam War-era observation helicopter. The Comanche however was specifically tailored to the role of armed scout. It is smaller and lighter than the AH-64 Apache attack helicopter.[14]

The Comanche’s very sophisticated detection and navigation systems were intended to allow it to operate at night and in bad weather. Its airframe was designed to fit more easily than the Apache into transport aircraft or onto transport ships, enabling it to be deployed to hot spots quickly. If transport assets were not available, the Comanche’s ferry range of 1,260 nautical miles (2,330 km; 1,450 mi) would allow it to fly to battlefields overseas on its own.

(data from Wikipedia.org: http://en.wikipedia.org/wiki/RAH-66_Comanche)

The Supermarine Spitfire is a British single-seat fighter aircraft used by the Royal Air Force and many other Allied countries throughout the Second World War. The Spitfire continued to be used into the 1950s both as a front line fighter and in secondary roles. It was produced in greater numbers than any other British aircraft and was the only Allied fighter in production throughout the war.[5]

The Spitfire was designed as a short-range high-performance interceptor aircraft[6] by R. J. Mitchell, chief designer at Supermarine Aviation Works (since 1928 a subsidiary of Vickers-Armstrongs). He continued to refine the design until his death from cancer in 1937, whereupon his colleague Joseph Smith became chief designer.[7] The Spitfire’s elliptical wing had a thin cross-section, allowing a higher top speed than the Hawker Hurricane and several contemporary fighters.[8] Speed was seen as essential to carry out the mission of home defence against enemy bombers.[6]

During the Battle of Britain there was a public perception that the Spitfire was the RAF fighter of the battle; in fact the more numerous Hurricane actually shouldered a greater proportion of the burden against the Luftwaffe.[9]

After the Battle of Britain, the Spitfire became the backbone of RAF Fighter Command and saw action in the European Theatre, Pacific Theatre and the South-East Asian Theatre. Much loved by its pilots, the Spitfire saw service in several roles, including interceptor, photo-reconnaissance, fighter-bomber, carrier-based fighter, and trainer; it was built in many different variants, with two different types of engine and several wing configurations.

(data from Wikipedia.org: http://en.wikipedia.org/wiki/Spitfire)