Aallegra.132 net.columbia utzoo!decvax!duke!mhtsa!allegra!phr Fri Nov 13 03:13:43 1981 shuttlebutt Rumor has it that NASA is in a tizzy over the promised 100 flight/yr (or whatever the current public figure is) schedule for the Shuttle fleet, because KSC can handle no more than 22. The reason for this is a safety requirement, that only 1 SRB stack can be built at a time in the VAB (2 of the 4 bays are being used as storage for external tanks, etc, anyway). The next bottleneck is the external tank itself; Martin Marietta can deliver only 24 a year. SRB = solid rocket booster; VAB = vehicle assembly building. KSC = Kennedy Space Center, Cape Canaveral