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  2. List of United States military helicopters - Wikipedia

    en.wikipedia.org/wiki/List_of_United_States...

    used as the official helicopters of the President of the United States Marine One. 1959. 1961. 1500. Sikorsky S-61R. Medium-lift transport/SAR helicopter. Sikorsky Aircraft Corporation. The S-61R served in the United States Air Force and in the United States Coast Guard. 1959.

  3. Sikorsky R-4 - Wikipedia

    en.wikipedia.org/wiki/Sikorsky_R-4

    The Sikorsky R-4 is a two-seat helicopter that was designed by Igor Sikorsky with a single, three-bladed main rotor and powered by a radial engine. The R-4 was the world's first large-scale mass-produced helicopter and the first helicopter used by the United States Army Air Forces, [1] the United States Navy, the United States Coast Guard and ...

  4. Project Mercury - Wikipedia

    en.wikipedia.org/wiki/Project_Mercury

    Project Mercury. Project Mercury was the first human spaceflight program of the United States, running from 1958 through 1963. An early highlight of the Space Race, its goal was to put a man into Earth orbit and return him safely, ideally before the Soviet Union.

  5. Sikorsky CH-53E Super Stallion - Wikipedia

    en.wikipedia.org/wiki/Sikorsky_CH-53E_Super_Stallion

    The Sikorsky CH-53E Super Stallion is a heavy lift helicopter operated by the United States military. As the Sikorsky S-80, it was developed from the CH-53 Sea Stallion, mainly by adding a third engine, adding a seventh blade to the main rotor, and canting the tail rotor 20°. It was built by Sikorsky Aircraft for the United States Marine Corps.

  6. Alan Shepard - Wikipedia

    en.wikipedia.org/wiki/Alan_Shepard

    Alan Bartlett Shepard Jr. (November 18, 1923 – July 21, 1998) was an American astronaut. In 1961, he became the second person and the first American to travel into space and, in 1971, he became the fifth and oldest person to walk on the Moon, at age 47. A graduate of the United States Naval Academy at Annapolis, Shepard saw action with the ...

  7. History of spaceflight - Wikipedia

    en.wikipedia.org/wiki/History_of_spaceflight

    The United States continued other space exploration, including major participation with the ISS with its own modules. It also planned a set of uncrewed Mars probes, military satellites, and more. The Constellation program, began by President George W. Bush in 2005, aimed to launch the Orion spacecraft by 2018. A subsequent return to the Moon by ...

  8. Bell UH-1 Iroquois - Wikipedia

    en.wikipedia.org/wiki/Bell_UH-1_Iroquois

    The Bell UH-1 Iroquois (nicknamed " Huey ") is a utility military helicopter designed and produced by the American aerospace company Bell Helicopter. It is the first member of the prolific Huey family, as well as the first turbine-powered helicopter in service with the United States military. Development of the Iroquois started in the early ...

  9. Sikorsky HH-52 Seaguard - Wikipedia

    en.wikipedia.org/wiki/Sikorsky_HH-52_Seaguard

    14 May 1958. The Sikorsky HH-52 Seaguard (company designation S-62) is an early amphibious helicopter designed and produced by American helicopter manufacturer Sikorsky Aircraft. It was the first of the company's amphibious rotorcraft to fly and the United States Coast Guard's first turbine-powered helicopter and first amphibious helicopter. [ 1 ]