Soldiers with the 301st Regional Support Group, perform preventative maintenance checks on a Humvee during Combat Sustainment Support Exercise 76-16-01 at Joint Base McGuire-Dix-Lakehurst, N.J., March 4, 2016. CSTX 78-16-01 is a U.S. Army Reserve exercise conducted at multiple locations across the country designed to challenge combat support units and Soldiers to improve and sustain the skills necessary during a deployment. (U.S. Army photo by Sgt. Christopher Bigelow/Released)