Astronaut & Test Pilot, selected in 1963 as a Military Astronaut - Class-3, later selected as MOL (Manned Orbiting Laboratory) pilot in 1965, when the MOL program cancelled in 1969, became Vice Commander, Tactical Air Warfare Center, Eglin AFB, Fl.,
(1929-2004) was a Soviet cosmonaut. He was an ethnic Chuvash. Nikolayev flew on two space flights: Vostok 3 and Soyuz 9. On both, he set new endurance records for the longest time a human being had remained in orbit