A U.S. Army paratrooper (left), assigned to the 173rd Airborne Brigade Special Troops Battalion, and Dutch soldiers with 411th Armored Engineers of the Royal Dutch Army (right) move under the concealment of smoke during a combined live-fire exercise March 6, 2015, at the 7th Army Joint Multinational Training Command in Grafenwoehr, Germany. Paratroopers from the 173rd Airborne Brigade and Dutch sappers from the 411th Armored Engineers of the Royal Dutch Army participated in the combined defensive exercise to promote interoperability and strengthen the NATO alliance. (U.S. Army Photo by Visual Information Specialist Markus Rauchenberger/released)