Atlas V rocket launches final national security mission - Space.com
Liftoff of the USSF-51 mission occurred at 6:45 a.m. ET on Tuesday (July 30).
United Launch Alliance's (ULA) venerable Atlas V rocket flew its final national security mission on Tuesday morning (July 30).
The Atlas V launched from Florida's Canaveral Space Force Station on Tu… [+2946 chars]
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