Engineer Scott Pflumm, of State College, Pa., with Penn State Applied Research Lab, discusses operation procedures of a scale with Chief Warrant Officer 4 Roy Melebeck, of Lansing, Mich., a data collector with the Combined Arms Support Command, at Fort A.P Hill, Va., on June 10. The scale is being tested by the Combined Arms Support Command during Quartermaster Liquid Logistics Exercise (QLLEX) 2014. QLLEX is a multi-service, nationwide training exercise where service members have the opportunity to deliver fuel, produce and distribute purified water to training units and real-world operations, as well as test equipment the Army may invest in. (U.S. Army photo by Spc. Audrey Ann Hayes, 214th Mobile Public Affairs Detachment)