Marine Muscle Marine Corps Lance Cpl. Blane Battles swings an ammo can during physical training before a rifle range near Naval Air Station Sigonella, Italy, Jan. 3, 2017. Battles is a rifleman assigned to Special Purpose Marine Air-Ground Task Force Crisis Response Africa. The Marines conducted a stress shoot, which involved a physically strenuous workout followed by a course of fire aimed at testing a Marine's cognitive function. Marine Corps photo by Cpl. Alexander Mitchell SHARE: Download: Full Size (2.13 MB) Credit: Cpl. Alexander Mitchell VIRIN: 170103-M-ML847-0747C.JPG Photo Gallery