U.S. Army Staff Sgt. Javier Gallego (center), 91st Training Division safety, instructs soldiers on safety policies of using blank firing adapters on their weapons during training while attending the Warrior Exercise (WAREX) on Fort Hunter Liggett, Calif. on June 11, 2017. More than 3000 U.S. Army Reserve Soldiers are participating in the 91st Training Division’s Warrior Exercise (WAREX) 91-17-03 at Fort Hunter Liggett, Calif.; The WAREX is a large scale collective training platform to generate capable, lethal, and combat ready forces. (U.S. Army photo by Spc. Sean McCallon, 91st Training Division public affairs/Released)