Power production Airman a hard charger
ANDERSEN AIR FORCE BASE, Guam - Airman 1st Class Derrick Bolhofner, 36th Civil Engineer Squadron power production apprentice, changes an oil filter in a mobile generator here Nov. 30. Airman Bolhofner, Andersen AFB's 'Top Performer,' has been in the Air Force for nearly two years. (U.S. Air Force photo by Senior Airman Shane Dunaway)