Date: April 28th 2007

04 27 07

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

STATUS REPORT: ELV-042707

EXPENDABLE LAUNCH VEHICLE STATUS REPORT

Mission: Dawn Launch Pad: Cape Canaveral Air Force Station, Fla Launch Vehicle: Delta II 7925-H Launch Date: Targeted for June 30, 2007 Launch Time: 15:13:15 p m EDT

The "command and data handling" portion of the Comprehensive Performance Test was completed on April 19 Additional comprehensive performance tests are in progress Thermal control system, attitude control sub-system and fault protection testing continues

Dawn's mission will mark the first time a spacecraft will orbit two planetary bodies on a single voyage: asteroid Vesta and the dwarf planet Ceres NASA's Dawn spacecraft is managed by NASA's Jet Propulsion Laboratory in Pasadena, Calif

NASA's Launch Services Program at Kennedy Space Center and the United Launch Alliance are responsible for the launch of the Delta II

Previous status reports are available on the Web at:

http://www nasa gov/centers/kennedy/launchingrockets/status/2007

-end-

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