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A U-2 pilot suit. A pressure suit is a protective suit worn by high-altitude pilots who may fly at altitudes where the air pressure is too low for an unprotected person to survive, even when breathing pure oxygen at positive pressure. Such suits may be either full-pressure (e.g., a space suit) or partial-pressure (as used by aircrew). Partial ...
At very high altitude, from 3,500 to 5,500 metres (11,500 to 18,000 ft) arterial oxygen saturation falls below 90% and arterial P O 2 is reduced to the extent that extreme hypoxemia may occur during exercise and sleep, and if high altitude pulmonary edema occurs. In this range severe altitude illness is common. [2]
The PPPS is a sophisticated variety of personal protective equipment (PPE), a type of hazmat suit, which is air-tight and designed for positive pressure to prevent contamination to the wearer even if the suit becomes damaged. BSL-4 cabinets and "Suit Laboratories" have special engineering and design features to prevent hazardous microorganisms ...
The suit was designed by Russell Colley (who designed and built the high-altitude pressure suit worn by aviator Wiley Post) as a means of providing an Earth-like atmosphere in the unpressurized high-altitude fighter jets developed by the U.S. Air Force and U.S. Navy after the Korean War. The Mark IV suit was first introduced in the late 1950s.
The G-suit was designed to allow some retention of blood in the pilot's head, allowing them to execute high-G turns for sustained periods of time. In the 1950s and 1960s, even more specialized suits needed to be developed for high-altitude surveillance (such as with the U-2 and Lockheed SR-71 Blackbird aircraft) and space
The suit is a direct descendant of the U.S. Air Force high-altitude pressure suits worn by the two-man crews of the SR-71 Blackbird, pilots of the U-2 and X-15, and Gemini pilot-astronauts, and the Launch Entry Suits (LES) worn by NASA astronauts starting on the STS-26 flight, the first flight after the Challenger disaster.
The VKK flight suit (Russian: высотный компенсирующий костюм), is a series of Soviet high-altitude partial pressure suit, which loosely translates 'altitude compensation suit'. [1] It has been the standard issue for pilots of both the Soviet Air Forces and the Russian Aerospace Forces for jet aircraft since 1958.
The Gemini suit was looked at for the Manned Orbiting Laboratory program (canceled in 1969), and has since been used as the baseline for all high-altitude pressure suits worn by U.S. Air Force pilots, including for the U-2 and SR-71. [2] It was also the basis for NASA's Advance Crew Escape System (ACES) pressure suit.