March 15, 2006 Joe Pally Headquarters, Washington (202) 358-7239 George Diller NASA Vandenberg Resident Office (805) 605-3051 Barry Beneski Orbital Sciences Corporation (703) 406-5528 RELEASE: 06-095 NASA RESCHEDULES ST5 LAUNCH NASA's Space Technology 5 spacecraft (ST5) launch was aborted today. A locking pin in the Orbital Science's Pegasus XL rocket's flight control service mechanism did not retract just prior to launch. Orbital Sciences and NASA engineers will diagnose and correct the problem. A new launch date will be established 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. For information about the ST5 mission and NASA's New Millennium Program visit: http://www.nasa.gov/st5 For information about NASA and agency programs on the Web, visit: http://www.nasa.gov/home -end- To subscribe to the list, send a message to: hqnews-subscribe@xxxxxxxxxxxxxxxxxxxxxx To remove your address from the list, send a message to: hqnews-unsubscribe@xxxxxxxxxxxxxxxxxxxxxx