Aircrews from the 37th Bomb Squadron arrive on the flightline for the Global Strike Challenge at Ellsworth Air Force Base, S.D., Sept. 18, 2014. Throughout the competition sorties, aircrew members are evaluated on multiple segments, earning points to compete for the Fairchild Trophy and the LeMay Trophy. (U.S. Air Force photo by Airman 1st Class Rebecca Imwalle/Released)