The 5th Bomb Wing is the host wing on Minot AFB. To perform its mission, four groups are assigned to the 5th Bomb Wing: the 5th Operations Group, 5th Mission Support Group, 5th Maintenance Group and 5th Medical Group. Minot AFB also serves as headquarters for the 91st Missile Wing, which is made up of three groups: the 91st Operations Group, 91st Maintenance Group and 91st Security Forces Group.