John Zimmerman, Aviation Development Directorate Aviation Support Facility manager, and Joseph Shaw, ADD aircraft mechanic, prepare to exit an OH-58D “Kiowa Warrior” after its final flight at Joint Base Langley-Eustis, Va., Sept. 18, 2017. The nation’s last Kiowa Warrior was maintained by ADD until its final flight. (U.S. Air Force photo by Staff Sgt. Teresa J. Cleveland)