Staff Sgt. Norman Sharpe, 747th Communications Squadron, runs in the swimming pool during the Toughest Warrior Competition on Joint Base Pearl Harbor-Hickam, Hawaii, March 9, 2020. The week-long event, comprised of six-person teams from various commands, includes physical, critical thinking, and team-building challenges held at different locations throughout the installation. (U.S. Air Force photo by Staff Sgt. Nicholas Brown)