Airmen from the 20th Fighter Wing perform jumping jacks while participating in the defender challenge at Shaw Air Force Base, South Carolina, May 17, 2022. The participants competed in nine different obstacles to measure the fitness and resiliency of competitors.

Royalty-Free Standard Commercial licenses are granted for worldwide, non-exclusive and perpetual use, unless specifically noted otherwise. All Royalty-Free transactions are final. The Royalty-Free Standard Commercial license has no limitations and covers up to 15 users.