03.15.06 George Diller NASA Vandenberg Resident Office Phone: (805) 605-3051 Lynn Chandler Goddard Space Flight Center Phone: (240) 832-0566 Barry Beneski Orbital Sciences Corporation Phone: (703) 406-5528 RELEASE: 19-06 ST5 LAUNCH TO BE RESCHEDULED The launch of NASA's ST5 spacecraft aboard an Orbital Sciences Pegasus XL rocket was called off today when a locking pin in the rocket's flight control service mechanism did not retract just prior to launch. Orbital Sciences Corporation and NASA engineers will diagnose and correct the problem. A new launch date will be established at the earliest opportunity pending resolution of the issue, the availability of the Western Range, and acceptable weather conditions at the Vandenberg Air Force Base, Calif., launch site. The delay will be at least 48 hours. -end- To subscribe to the list, send a message to: ksc-subscribe@newsletters.nasa.gov To remove your address from the list, send a message to: ksc-unsubscribe@newsletters.nasa.gov