The Transit-O series of satellites that closely followed the design of Transit 5C-1 were also called “Oscars” (Oscar is the phonetic alphabet for “O”, i. e., operational). They were also called NNS (Navy Navigation Satellite) or shortened NavSat.
Polar OrbitGemini 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 Orbit