AEDC Visitor Center closes for the holidays Published Nov. 16, 2012 By Raquel March AEDC/PA ARNOLD AIR FORCE BASE, Tenn. -- The Arnold Engineering Development Complex (AEDC) Visitor Center will change hours of operation during the upcoming holiday season. Beginning Nov. 22-25, the visitor center will close in observance of the Thanksgiving holiday. The visitor center will also close Dec. 22 - Jan. 1 in observance of the Christmas holiday. AEDC's Visitor Center provides services to AEDC personnel, military, retirees and other base visitors. The Visitor Center has two main functions for military identification (ID) services and base entry services. The military ID service provides common access cards (CACs) to active duty members and members of reserve components within all branches. They also provide CACs for civil servants, contractors, retirees and eligible family members. Base entry services involve providing vetting and identification for all employees and visitors for the base mission area, the Arnold Lakeside Center patrons and the Arnold Community Council members.