Astronaut Alan B. Shepard climbs back into his jet trainer to check something after landing at Los Angeles International airport, May 19, 1961 on an unannounced flight which he would describe only as ?routine.? He said ?We just wanted to get in some practice.? With him in the Air Force plane was a fellow astronaut, Capt. Donald Slayton. (AP Photo/Ed Widdis) Ref #: PA.8603476
