United Launch Alliance Marks 50th Successful Launch by Delivering the Space-Based Infrared System (SBIRS) Satellite to Orbit for the U.S. Air Force

CAPE CANAVERAL AFS, Fla., May 7, 2011 /PRNewswire/ -- A United Launch Alliance Atlas V rocket carrying the Space-Based Infrared System (SBIRS) satellite for the United States Air Force lifted off from Space Launch Complex-41 here at 2:10 p.m. EDT today. This marks the 50th successful launch for ULA

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