“Airborne!” 2019 JCSE Mustang Challenge
U.S. Army Reserve Staff Sgt. Julius Anderson and Sgt. David Pilley, Joint Communications Support Element (JCSE) soldiers, set up a Joint Building Blocks satellite during the 2019 JCSE Mustang Challenge at MacDill Air Force Base, Fla., Sept. 7, 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)