Poppy was the follow-on ELINT system, which succeeded the Grab ELINT satellite system. January 11, 1964 at 20:07 UTC · Launch Successful Thor SLV-2A Agena D — United States Air Force, to Low Earth Orbit Space Launch Complex 1E, Vandenberg SFB, CA, USA The world's 294th orbital launch attempt, and 1st of 1964. Data: Launch Library 2, The Space Devs. Image via The Space Devs.