U.S. Army Sgt. Hector Ortega, a jumpmaster with Company

U.S. Army Sgt. Hector Ortega, a jumpmaster with Company D, 2nd Battalion, 503rd Infantry Regiment, 173rd Airborne Brigade, signals to UH-60L Black Hawk helicopter pilots during an airborne training exercise July 18, 2015, at the Nowa Deba Training Area in Poland. A combined 60 U.S. and Polish paratroopers conducted a static-line jump from the Black Hawks as part of Operation Atlantic Resolve, an ongoing multinational partnership focused on joint training and security cooperation with U.S. Army allies. Aimed at ensuring stability across Europe, the training is designed to improve joint operational capability in a range of missions. (U.S. Army photo by Spc. Marcus Floyd, 7th Mobile Public Affairs Detachment)