Flu shots still available Published Jan. 20, 2011 By 27th Special Operations Medical Group CANNON AIR FORCE BASE, N.M. -- Flu vaccines are still available for all available beneficiaries at the 27th Special Operations Medical Group. If you have any additional questions, contact your Primary Care Manager at (575) 784-2778 or the Immunizations Clinic staff at (575) 784-4040. Hours of operation are 7:30 a.m. to 4:30 p.m.