Missileers train for Global Strike Challenge
Missileers with the 321st Missile Squadron sit at the control console training for the 2017 Global Strike Challenge inside the Missile Procedures Trainer at F.E. Warren Air Force Base, Wyo., June 5, 2017. The missileers portion is just one of the many competitions, spread out over the next several weeks, which make up the GSC. Approximately 450 competitors take part in GSC competitions at various locations. Competition categories rigorously test security forces, missile, bomber, helicopter and maintenance communities. (U.S. Air Force photo by Lan Kim)

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Photo by: Lan Kim |  VIRIN: 170605-F-SK304-1003.JPG