Date: May 17th 2008

May 16, 2008

George H Diller Kennedy Space Center, Fla 321-867-2468 george h diller@nasa gov

STATUS REPORT: ELV-051608

EXPENDABLE LAUNCH VEHICLE STATUS REPORT

Mission: GLAST (Gamma-ray Large Area Space Telescope) Location: Astrotech payload processing facility Launch Vehicle: Delta II 7920-H (United Launch Alliance) Launch Pad: 17-B Launch Date: No Earlier Than June 3, 2008 Launch Window: 11:45 a m - 1:40 p m EDT

At Astrotech this week, the GLAST spacecraft underwent final closeouts in preparation for being transported to the launch pad It was mated to the launch vehicle's payload attach fitting on Wednesday GLAST is being installed Friday into the payload transportation canister in preparation for transfer to the launch pad The rollout from Astrotech to Pad 17-B will be done during the overnight hours of Saturday morning, and mating of the spacecraft to the second stage of the Delta II is planned between 5 and 7 a m EDT

Mission: OSTM/Jason-2 Location: Astrotech payload processing facility, Vandenberg Air Force Base Launch Vehicle: Delta II 7320 (United Launch Alliance) Launch Pad: Space Launch Complex 2, Vandenberg Air Force Base Launch Date: June 15, 2008 Launch Window: 1:47 - 1:56 a m PDT

At the Astrotech payload processing facility on north Vandenberg, testing of OSTM/Jason-2 was successfully completed Fueling of the satellite with its hydrazine control propellant is planned for this weekend The spacecraft is currently scheduled to be moved to the launch pad on June 2

At Space Launch Complex 2, second stage propulsion system testing of the Delta II is complete First stage propulsion system testing continues Liquid oxygen will be loaded aboard to check the cryogenic systems of the first stage for leaks on May 19 during a countdown dress rehearsal for the Delta II launch team The following day, a simulated flight test, an electrical and mechanical test of the Delta II, will exercise all of the launch vehicle systems as they will work after liftoff during the rocket's ascent to orbit

Previous status reports are available on the Web at:

http://www nasa gov/centers/kennedy/launchingrockets/status/2008

-end-

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