EXERCISE SANDFISHER Marines conduct amphibious operations during Exercise Sandfisher on Marine Corps Base Hawaii, Jan. 17, 2014. The exercise provides an opportunity for the Okinawa-based Marines to train for underwater navigation, small boat operations, high-altitude high-opening parachuting, combatant diving and ground reconnaissance tactics. The Marines are assigned to the 3rd Marine Divisions 3rd Reconnaissance Battalion. SHARE: Download: Full Size (0.06 MB) Credit: VIRIN: 072427-Q-IQA81-739.jpg Photo Gallery