Cannon congratulates chief master sergeant selects Published Nov. 12, 2008 By 27th Special Operations Wing Public Affairs Office CANNON AIR FORCE BASE, N.M. -- Cannon congratulates the following Airmen who have been selected for promotion to chief master sergeant. 27th Special Operations Equipment Maintenance Squadron Senior Master Sgt. Ralph Brown 27th Special Operations Aircraft Maintenance Squadron Senior Master Sgt. John Crawley 27th Special Operations Comptroller Squadron Senior Master Sgt. Maria Lacuesta-Siroin