KH-5 (Keyhole 5, codenamed Argon) was the area survey component of the Corona program. August 29, 1963 at 20:31 UTC · Launch Successful Thor SLV-2 Agena D — United States Air Force, to Low Earth Orbit Space Launch Complex 1E, Vandenberg SFB, CA, USA The world's 269th orbital launch attempt, and 45th of 1963. Data: Launch Library 2, The Space Devs. Image by USAF via The Space Devs.