91SW redesignation
MINOT AIR FORCE BASE, N.D. -- Col. Christopher Ayres , 91st Missile Wing Commander and Chief Master Sgt. Mark Brejcha, 91st MW command chief master sergeant, unveil the new Missile Wing sign during a redesignation cermony here July 1st. The 91st MW’s mission has been important to the safety and security of our nation for 40 years. (U.S. Air Force photo by Airman 1st Class Sharida Bishop)