ANDERSEN AIR FORCE BASE, Guam - Brigadier Gen. Phil Ruhlman, 36th Wing commander, and Airman Basic Chantale Oudkerk, 36th Contracting Squadron, cut the Air Force birthday cake at the 61st Air Force Ball at the Hyatt Regency Guam Sept. 20. The theme for the ball was "Heritage of Change." (U.S. Air Force photo by Airman 1st Class Carissa Wolff)