U.S. Army Reserve warrant officer candidate Sofia Olds, an automated logistical specialist with the 787th Combat Sustainment Support Battalion in Dothan, Ala., reacts to simulated mortars in a vehicle staging area at Forward Operating Base Santé Fe at the National Training Center, Fort Irwin, Calif., Aug. 15, 2015. U.S. Army photo by Army Spc. Michael Germundson