1961-11-01 USA Mercury Scout MS-1

Mercury Scout 1 (MS-1) launch on November 1, 1961, was intended to test tracking stations for Project Mercury flights, using Scout rockets to launch small satellites to evaluate the worldwide Mercury Tracking Network in preparation for manned orbital missions. However the launch failed only seconds after liftoff.

MS-1 launch, postmarked PAFB, November 1, 1961.