ANDERSEN AIR FORCE BASE, Guam ? Combat Aikido instructor, Army Reserve Sgt. 1st Class Thomas Tomasiak, leads his class in stretches before beginning a lesson. Combat Aikido teaches Airmen effective self defense techniques. Classes are conducted every Tuesday and Thursday at the HotSpot gym at 6 p.m. (U.S. Air Force photo by Airman Whitney Amstutz)