Army Sgt. Matthew Ross fuels a reconnaissance vehicle during Allied Spirit VIII at Hohenfels Training Area, Germany, Jan. 27, 2018. Ross is a petroleum supply specialist assigned to the 2nd Squadron, 2nd Cavalry Regiment. Roughly 4,100 troops from 10 nations are participating in Allied Spirit VIII, a multinational training exercise designed to test participants' readiness and capabilities. Army photo by Spc. Hubert D. Delany III