Chief Master Sgt. Daniel Simpson, the 18th Air Force command chief, gets strapped into a parachute rigger demonstration while visiting MacDill Air Force Base, Fla., Jan. 31, 2020. During his visit, Simpson was able to get a hands-on demonstration from the parachute riggers on what their mission is and how they accomplish it. (U.S. Air Force photo by Staff Sgt. Rito Smith)