U.S. Army paratroopers assigned to Dog Company, 1st Battalion, 503rd Infantry Regiment, 173rd Airborne Brigade fire a Tube-launched, Optically tracked, Wire-guided (TOW) missile, during a combined defensive live-fire exercise March 6, 2015, at the 7th Army Joint Multinational Training Command in Grafenwoehr, Germany. The 173rd Airborne Brigade is the Army Contingency Response Force in Europe, capable of projecting ready forces anywhere in the U.S. European, Africa and Central commands areas of responsibility within 18 hours. (U.S. Army Photo by Visual Information Specialist Markus Rauchenberger/released)