Illumination A beam of light illuminates a mock mortar shell held by Army Sgt. Thomas Fentiman during the Raven’s Challenge explosive ordnance disposal exercise at Camp Pendleton, Calif., Aug. 3, 2017. DoD photo by EJ Hersom SHARE: Download: Full Size (1.72 MB) Tags: raven’s challenge eod, air force, training, marine corps, airmen Credit: EJ Hersom VIRIN: 170803-D-DB155-004A.JPG Photo Gallery