U.S. Air Force Staff Sgt. Jacob Lara, left, and Senior Airman Matthew Arellano, tactical air control party (TACP) specialists, 25th Air Support Operations Squadron, carry their canoe while competing in the Chaos Challenge 2021 at Joint Base Elmendorf-Richardson, Alaska, July 15, 2021. The Chaos Challenge 2021 was a multi-day series of mental and physical contests sponsored by the 1st Air Support Operations Group with participants from the 3rd, 5th, 25th, and 604th Air Support Operations Squadrons and a guest team from the 673d Security Forces Squadron. The winner of the competition will go on to compete in Lightning Challenge 2021 to determine the best two-man TACP team in the Air Force.