Troopers assigned to Fox Troop, 2nd Squadron, 2nd Cavalry Regiment set up a tactical perimeter during a brief stop along the unit's tactical road march from Mihail Kogalniceanu Airbase to Smardan Training Area, Romania, in support of Operation Atlantic Resolve, Mar. 24, 2015. Once the unit reaches Smardan Training Area, they will conduct a forward passage of lines with the Brigade Special Troops Battalion assigned to 173rd Airborne Brigade Combat Team, in preparation for Operation Windspring, a multinational, bilateral training event that supports Operation Atlantic Resolve. (U.S. Army photo by Sgt. William A. Tanner/released)