May 6, 2009 George H. Diller NASA Vandenberg Resident Office, Calif. 805-605-3051 george.h.diller@nasa.gov RELEASE: 24-09 DELTA II LAUNCH FOR MISSILE DEFENSE AGENCY SUCCESSFUL VANDENBERG AIR FORCE BASE, Calif. -- A Delta II rocket managed by NASA's Launch Services Program lifted off from Vandenberg Air Force Base, Calif., Tuesday with a spacecraft for the United States Missile Defense Agency. The spacecraft is called the Space Tracking and Surveillance System Advanced Technology Risk Reduction mission, or STSS-ATRR. Liftoff from NASA's Space Launch Complex 2 occurred at 1:24 p.m. PDT. The launch vehicle was a United Launch Alliance Delta II 7920-10c. Spacecraft separation occurred approximately one hour after liftoff. "With confirmation of the payload's delivery into the correct orbit, the launch is a success," said Chuck Dovale, launch director for the NASA's Launch Services Program. NASA also will manage the launch of another mission for the Missile Defense Agency aboard a Delta II rocket this summer from Cape Canaveral Air Force Station. For information about the Missile Defense Agency, visit: http://www.mda.mil/ For more information about NASA missions and programs, visit: http://www.nasa.gov -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