U.S. Army Soldiers participate in a ruck march during the German Armed Forces Proficiency Badge evaluation at Joint Base Langley-Eustis, Va., Oct. 19, 2017. To earn gold in this event members had to march 12 kilometers within 120 minutes, silver, nine kilometer within 90 minutes, bronze, six kilometers within 60 minutes. (U.S. Air Force photo by Tech. Sgt. Natasha Stannard)