1st Sgt. Erin Hammer, commandant of the Observer, Coach, Trainer Academy, trains Multinational Soldiers and U.S Soldiers on the correct way to properly handle pyrotechnical in their pyrotechnical training as part of their basic course to become certified observer, coach, trainers, for the Joint Multinational Readiness Center at Hohenfels Training Center in Hohenfels, Germany on Jan. 21, 2020. Combined Resolve XIII allows allies and partners to connect personally, professionally, technically and tactically to create stronger, more capable forces during times of crisis.