Marines at Luke
Marine Corp. Gunnery Sgt. Anthony Haechler, left, Hazardous Material/Environmental Services Division team leader, executes a foot sweep and chest thrust to Gunnery Sgt. Daniel Hernandez, Hazardous Material/Environmental Services Division assistant team leader, during their military combative training course at Luke Air Force Base, Ariz., April 7. The two squads ran around Luke Air Force Base stopping periodically to practice techniques they have learned during the course. (U.S. Air Force photo by Airman 1st Class Ronifel Yasay)