ANDERSEN AIR FORCE BASE, Guam - Airman 1st Class Joseph Lapthorne, 644th Combat Communications Squadron network control center operator, ensures local area connection cables are secure during the squadron's Dragon Thunder field training exercise Nov. 20 here. The 644th CBCS conducted the field training exercise to sharpen the unit's expeditionary skills. (U.S. Air Force photo by Senior Airman Shane Dunaway)