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. December 22, 1965 at 04:33 UTC · Launch Successful Scout A — United States Air Force, to Polar Orbit Space Launch Complex 5, Vandenberg SFB, CA, USA The world's 513th orbital launch attempt, and 120th of 1965. Data: Launch Library 2, The Space Devs.