Gemini 4 was the second crewed mission of the NASA's Project Gemini. The mission was commanded by Command Pilot James A. McDivitt and Pilot Edward H. White II. On the mission, White became the first American to perform a spacewalk. The mission began on June 3, 1965, 15:15:59 UTC and ended on June 7, 1965, 17:12:11 UTC.
Low Earth OrbitThe Program 206 satellite, carrying the KH-7 (Keyhole 7) camera system (codenamed Gambit-1), was the first successful high resolution space reconnaissance program. It was managed by NRO's Program A, the USAF-led segment of the National Reconnaissance Program managed from Los Angeles AFB in El Segundo, California.
Sun-Synchronous OrbitFIRE (Flight Investigation of Re-Entry) was a high-speed reentry heat research program to obtain data on materials, heating rates, and radio signal attenuation on spacecraft reentering the atmosphere at speeds of about 24,500 miles per hour.
Suborbital