Antares "Hot Fire" Test Abort

The planned first stage propulsion system "hot fire" test of Orbital's new Antares medium-class rocket was halted in the final seconds of the countdown by the rocket's flight computer, which detected an anomalous condition. The Antares team will evaluate the data from the test to determine the nature of the abort. A new date for the test has not been determined.

The test hot fire test is being conducted at Pad 0A at the Mid-Atlantic Regional Spaceport (MARS) at NASA's Wallops Flight Facility on the eastern shore of Virginia. The major objectives of the hot fire test are to verify the that pad's fueling systems and the Antares stage one test article functioned properly in a fully operational environment, that engine ignition and shut down commands operated as designed, and that the dual AJ26 first stage engines performed to specifications in the twin-engine configuration.

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