2nd Lt. Joseph Whelan, 490th Missile Squadron deputy missile combat crew commander, enters a simulated preparatory command in the missile procedures trainer during a training session at Malmstrom Air Force Base, Mont., Sept. 24. The command information is used during key operations, and is a procedure the team could be tested on during the 2014 Global Strike Challenge. (U.S. Air Force photo/Airman 1st Class Collin Schmidt)

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