How dirty is your job?
Senior Airman Benjamin Krage, 31st Civil Engineer Squadron water and fuel systems maintenance journeyman, empties waste into a water hole Feb. 14, 2013, at Aviano Air Base, Italy. Once a week, at least two crew members provide upkeep on the septic tanks or grease traps that need to be emptied. (U.S. Air Force photo/Airman 1st Class Matthew Lotz)