Medical clinic closures Published Dec. 15, 2010 By 27th Special Operations Wing Public Affairs Office CANNON AIR FORCE BASE, N.M. -- Due to the upcoming holidays, the 27th Special Operations Medical Group clinic will be closed on the following days: December 23 - 24 December 30 - 31 If you should require care during these times, please call 784-APPT (2778) for an on-call provider. In case of an emergency call 911.