Oct 16, 2009

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

STATUS REPORT: ELV-101609

EXPENDABLE LAUNCH VEHICLE STATUS REPORT

Spacecraft: Wide-field Infrared Survey Explorer (WISE) Launch Vehicle: Delta II 7320 Launch Pad: SLC-2, Vandenberg Air Force Base, Calif Launch Date: Dec 7, 2009 Launch Window: 6:10 - 6:23 a m PST

At the Astrotech payload processing facility on north Vandenberg, work has been under way this week to set up the necessary ground support equipment for loading of the cryogenic hydrogen which will be used to supercool the infrared telescope during its six months of observations The vacuum pumpdown of the spacecraft is now under way and will be followed by testing at cryogenic temperatures This will be followed by two weeks of activity to load and then freeze the cryogenic hydrogen

Build-up of the Delta II rocket at Space Launch Complex 2 now is scheduled to begin next week with hoisting of the first stage into the launcher on Monday The three solid rocket boosters will then be attached on Oct 21, and the second stage will be hoisted atop the first stage on Oct 22

Spacecraft: Solar Dynamics Observatory (SDO) Launch Vehicle: Atlas V-401 Launch Pad: Launch Complex 41, Cape Canaveral Air Force Station, Fla Launch Date: Feb 3, 2010 Launch Window: 10:53 - 11:53 a m EST

Propulsion system testing and leak checks of the spacecraft were completed this week and went well with no issues reported Some minor battery panel modifications are currently under way

The Atlas rocket first stage booster is set to arrive by air at Cape Canaveral Air Force Station on Oct 26, followed by the Centaur upper stage on Oct 29

Previous status reports are available at:

http://www nasa gov/centers/kennedy/launchingrockets/status/index html

-end-

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