British Soldiers from the Princess of Wales' Royal Regiment perform maintenance on their Warrior Tracked Armored Vehicle in preparation of Allied Spirit VIII Jan. 19, 2018. Allied Spirit VIII includes approximately 4,100 participants from 10 nations at 7th Army Training Command's Hohenfels Training Area, Jan. 15-Feb. 5, 2018. Allied Spirit is a U.S. Army Europe-directed multinational exercise series designed to develop and enhance NATO and key partner's interoperability and readiness. (U.S. Army photo by Staff Sgt. David Overson)