In this photo taken June 24, 2014, 2nd Lt. Oliver Parsons, right, and 1st Lt. Andy Parthum check systems in the underground control room where they work a 24-hour shift at an ICBM launch control facility near Minot, N.D. The crew is responsible for controlling and launching the 10 nuclear-tipped Minuteman 3 missiles located in remote launch sites under their command. (AP Photo/Charlie Riedel)
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