U.S. Air Force Tech. Sgt. Douglas Walton, a loadmaster from the 169th Airlift Squadron, Illinois Air National Guard, changes the door rails to prepare for jumpers on a C-130H Hercules during the Minuteman Joint Forcible Entry exercise at Naval Air Station Joint Reserve Base Fort Worth, Texas, April 20, 2018. The 182nd Airlift Wing conducted a joint forcible entry exercise in coordination with the Texas Army National Guard 1st Battalion (Airborne), 143rd Infantry Regiment. (U.S. Air National Guard photo by Airman 1st Class Jason Grabiec)