Bull Run Readiness U.S., Romanian and British soldiers finish Bull Run II at the training area in Bemowo Piskie, Poland, Sept. 6, 2017. The two-day readiness exercise tested the speed of assembly, freedom of movement and collective defense of the NATO battle group. Army photo by Capt. John W. Strickland SHARE: Download: Full Size (2.62 MB) Credit: Capt. John Strickland VIRIN: 170906-A-MG196-0019C.JPG Photo Gallery