DEERS/CAC by appoinment only Published Jan. 7, 2013 By Customer Support 82 FSS SHEPPARD AIR FORCE BASE, Texas -- Beginning 1 Feb 13 the DEERS and CAC Office will be appointment only. Appointments can be scheduled through the DEERS appointment scheduler or by calling 676-4314. Emergency walk-in cases will still be seen but may be subject to longer wait periods. For questions or more information please call 676-4314.