October 11, 2015 - U.S. Army Combat engineers from the 1-503rd Infantry Regiment, 173rd Infantry Brigade Combat Team and Juozas Vitkaus Engineer Battalion of the Lithuanian Land Forces, provide security during Operation Eagle Shock. Throughout the operation, Soldiers of the 1-503rd IN, as well as those of the Lithuanian Land Forces, conducted support by fire, breached an obstacle, and occupied an anti-armor firing position. (U.S. Army Photo by Staff Sgt. Michael Behlin, 10th Press Camp Headquarters)