The mobile service tower at Cape Canaveral's pad 17A began its retraction to the launch position at about 10 a.m. June 21. The tower rollback event revealed the Boeing Delta 2 rocket that will carry the Micro-Satellite Technology Experiment, or MiTEx, mission into space for the U.S. military.
Source: Spaceflight Now (4 min 5 sec QuickTime 6 file)
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