AAFES answers customer's request Published Oct. 14, 2011 By Senior Airman Benjamin Wiseman 36th Wing Public Affairs ANDERSEN AIR FORCE BASE, Guam -- The Exchange held the grand opening for their newest addition, Dunkin Donuts, Oct. 14. The Army and Air Force Exchange Service (AAFES) opted to put in a coffee shop after a receiving positive input from the base community. The hours of operation for the new coffee shop will be 7 a.m. to 6 p.m.