Offutt Airmen tryout for the Defender Challenge
Staff Sgt. Bernell Thomas, 55 Security Forces Squadron competitor, participates in a six mile ruck march around the parade field at Offutt Air Force Base, Nebraska, Jan. 27, 2020. The competitors were required to carry ruck sacks weighing at least 35 pounds, and complete the course within 1 hour and 30 minutes to qualify for the next phase of the Defender Challenge. (U.S. Air Force photo by L. Cunningham)

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Photo by: L. Cunningham |  VIRIN: 200127-F-LI787-2068.JPG