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CAPE CANAVERAL, Fla. -- At Space Launch Complex 17B on Cape Canaveral Air Force Station, United Launch Alliance (ULA) honors the late Ed Atcher with a placard posted on the service tower next to the ULA Delta II rocket that will launch NASA's Gravity Recovery and Interior Laboratory mission. The mobile service tower has been rolled away from the vehicle for launch. The "rollback" began at about 11:20 p.m. EDT Sept. 7. GRAIL will fly twin spacecraft in tandem around the moon to precisely measure and map variations in the moon's gravitational field. The mission will provide the most accurate…
