Island Patrolling Marines look out for improvised explosive devices while patrolling during Island Viper at Marine Corps Base Hawaii, Sept. 27, 2016. The Marines are assigned to Charlie Company, 1st Battalion, 3rd Marine Regiment. During the annual predeployment training event, Marines practice clearing buildings, patrolling through simulated villages, completing obstacles and traversing through an improvised explosive device course. Marine Corps photo by Cpl. Aaron S. Patterson SHARE: Download: Full Size (0.84 MB) Tags: Marines, training, Marine Corps Credit: Cpl. Aaron Patterson VIRIN: 160927-M-QH615-044A.JPG Photo Gallery