Boeing 747 / Piggyback Space Shuttle Experimental and Prototypes the high performance aircraft was

the high performance aircraft was larger than the F-15 it was designed to replace

US certification (with PW-4000s) was awarded in January 1989

Looking Glass ceased continuous airborne alert

(These flaps are not incorporated in the wings of the T-38

Marine Helicopter Squadron One [HMX-1] is the sole helicopter support for executive transport throughout the United States and overseas

Boeing 747 / Piggyback Space Shuttle Experimental and Prototypes the high performance aircraft wasNASA 747 with Shuttler carrier model. NASA uses two modified Boeing 747 jetliners, originally manufactured for commercial use, as Shuttle Carrier Aircraft (SCA). One is a 747 100 model (NASA 905), while the other is a short range 747 100SR (NASA 911). The two aircraft are identical in appearance and performance. The SCAs are used to ferry Space Shuttle orbiters from landing sites back to the Kennedy Space Center launch complex in Florida and also to