Soldiers with Delta Company, 2nd Battalion, 503rd Infantry Regiment, 173rd Airborne Brigade sprint to their next challenging obstacle during a stress shoot training exercise, Tapa, Estonia, July 1. The training exercise was during Operation Atlantic Resolve, an ongoing training event that unites U.S. and North Atlantic Treaty Organization allies to train, build relationships, and interoperability. (U.S. Army photos by Spc. Jacqueline Dowland, 13th Public Affairs Detachment)