Spc. Francisco Lopez, a signal support systems specialist with the 308th Chemical Company, adjusts his close combat optic while zeroing his weapon at Fort Hunter Liggett, Calif., March 14, 2015. The Vallejo, California-based unit conducted range operations and practiced patrolling techniques throughout the weekend to maintain unit proficiencies. (U.S. Army photo by Sgt. Hector Corea, 302nd Mobile Public Affairs Detachment)