Water Aggression Training A Marine Corps military working dog participates in water aggression training at Marine Corps Air Station Iwakuni, Japan, Sept. 8, 2022. The training is designed to build confidence in water. SHARE: Download: Full Size (1.78 MB) Tags: Marine Corps Credit: Marine Corps Lance Cpl. David Getz VIRIN: 220908-M-RY694-1221M.JPG Photo Gallery