MINOT AIR FORCE BASE, N.D. -- Maj. Gen. Michael J. Carey, 20th Air Force commander, visits with Airmen from the 91st Missile Wing and leadership Dec. 14. Carey visited Minot Air Force Base and conducted an all-call at the base theater, where he spoke with the Airmen and congratulated them on their achievements at this year's Air Force Global Strike Challenge. (U.S. Air Force photo/Airman 1st Class Kristoffer Kaubisch)