Dec 11, 2009

Tracy Young Kennedy Space Center, Fla 805-605-3051 tracy g young@nasa gov

J D Harrington Headquarters, Washington 202-358-5241 j d harrington@nasa gov

Whitney Clavin Jet Propulsion Laboratory, Calif 818-354-4673 whitney b clavin@nasa gov

MEDIA ADVISORY: M09-235

LAUNCH OF NASA'S WISE SPACECRAFT DELAYED UNTIL DEC 14

WASHINGTON - The launch of NASA's Wide-field Infrared Survey Explorer, or WISE, spacecraft aboard a Delta II rocket from Vandenberg Air Force Base in California has been rescheduled for Monday, Dec 14 The launch window extends from 9:09 to 9:23 a m EST The first launch attempt scheduled for Dec 11 was delayed because of a problem with the motion of a booster steering engine

Mission managers have implemented a plan to resolve the issue This plan includes removing and replacing a suspect component today The current weather forecast calls for an 80 percent chance of acceptable weather at launch time on Monday

NASA TV coverage of the countdown and WISE launch will begin at 7 a m on Dec 14 and also will be available on the NASA Web site at:

http://www nasa gov

The WISE mission news center is operational at the NASA Vandenberg Resident Office Reporters can call 805-605-3051 for launch information Recorded status reports are available by dialing 805-734-2693

For more information about the WISE mission, visit:

http://www nasa gov/wise

-end-

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