Lightning Challenge Airmen swim in a 1,500-meter timed event during Lightning Challenge at Joint Base San Antonio, Nov. 3, 2022. The competition tested the airmen in agile combat employment, physical fitness and marksmanship. SHARE: Download: Full Size (2.92 MB) Tags: Air Force Credit: Katherine Spessa, Air Force VIRIN: 221103-F-TY749-760M.JPG Photo Gallery