“Airborne!” 2019 JCSE Mustang Challenge
U.S. Army Reserve Soldiers from the Joint Communications Support Element (JCSE) ruck march during the 2019 JCSE Mustang Challenge at MacDill Air Force Base, Fla., Sept. 6, 2019. The Mustang Challenge consisted of four teams competing against each other in timed ruck marches, Tactical Combat Casualty Care procedures, weapon qualification, a communications system set-up and a physical training challenge. (U.S. Air Force photo by Airman 1st Class Ryan C. Grossklag)