435 CRG Olympics: testing their limits
Members of the 435th Contingency Response Group lead the pack in the four mile ruck march, which kicked off the 435th CRG Olympics, on Ramstein Air Base, Germany, May 18, 2018. The Airmen shown here finished the four mile ruck march, carrying over 35 pounds in their backpacks, in under 43 minutes. (U.S. Air Force photo by Airman 1st Class Kristof J. Rixmann)