MINOT AIR FORCE BASE , N.D. -- Airmen with the 791st Maintenance Squadron mechanical and pneudraulics section tension the hoist on a transporter erector at Minot Air Force Base, North Dakota, April 1, 2019. The 791st MXS maintainers are responsible for transporter erector inspections, periodic maintenance and troubleshooting procedures. A transporter erector is used to downstage a Minuteman III intercontinental ballistic missile rocket engine into silos. (U.S. Air Force photos by Senior Airman Ashley Boster)