Army Master Sgt. Betheny Jones quizzes Sgt. Bert Everhart Jr. on the Versa Pak water purification system during Combined Resolve X at Hohenfels Training Area, Germany, May 2, 2018. Jones is assigned to Army Sustainment Command-Army Reserve Element. Everhart Jr. is a section sergeant assigned to 1st Infantry Division’s Alpha Company, 1st Battalion, 63rd Armor Regiment. The exercise is a biannual U.S. Army Europe exercise series held in southeastern Germany that enables the Joint Modernization Command to assess multiple concepts and capabilities. Army photo by Spc. Andrew McNeil