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NASA GRAIL Moon Mission Launch Rescheduled
NASA's GRAIL twin spacecraft NASA's GRAIL twin spacecraft await launch atop a United Launch Alliance Delta II rocket at Cape Canaveral Air Force Station, Fla. Image credit: NASA/JPL-Caltech/United Launch Alliance, Thom Baur
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GRAIL Mission Status Report

CAPE CANAVERAL, Fla. – The launch of a Delta II vehicle carrying NASA’s Gravity Recovery and Interior Laboratory (GRAIL) was scrubbed today, Thursday, Sept. 8, due to weather. Conditions associated with upper level winds were in violation of the launch criteria.

The Delta II and GRAIL are safe and secure at this time. The launch is rescheduled for Friday, Sept. 9, from Space Launch Complex-17B at Cape Canaveral Air Force Station, Fla. There are two instantaneous launch opportunities at 5:33:25 a.m. PDT (8:33:25 a.m. EDT) and 6:12:31 a.m. PDT (9:12:31 a.m. EDT). The forecast for tomorrow (Sept. 9) shows a 40 percent chance of favorable weather conditions for the launch.

NASA's Jet Propulsion Laboratory, Pasadena, Calif., manages the GRAIL mission. The Massachusetts Institute of Technology, Cambridge, is home to the mission's principal investigator, Maria Zuber. The GRAIL mission is part of the Discovery Program managed at NASA's Marshall Space Flight Center in Huntsville, Ala. Lockheed Martin Space Systems, Denver, built the spacecraft. Launch management for the mission is the responsibility of NASA's Launch Services Program at the Kennedy Space Center in Florida. JPL is a division of the California Institute of Technology in Pasadena.

More information about GRAIL is online at: http://www.nasa.gov/grail and http://grail.nasa.gov .

DC Agle 818-393-9011
Jet Propulsion Laboratory, Pasadena, Calif.

Dwayne Brown 202-358-1726
NASA Headquarters, Washington

George Diller 321-867-2468
Kennedy Space Center, Fla.