Marines hike up Ulupau Crater to Range 10 on Marine Corps Base Hawaii, April 8, 2015. The Marines are scouts and snipers assigned to Sniper Platoon, 2nd Battalion, 3rd Marine Regiment. The training was a departure from their usual flat-level or slight-elevation ranges. Marines hike up Ulupau Crater to Range 10 on Marine Corps Base Hawaii, April 8, 2015. The Marines are scouts and snipers assigned to Sniper Platoon, 2nd Battalion, 3rd Marine Regiment. The training was a departure from their usual flat-level or slight-elevation ranges. SHARE: Download: Full Size (1.73 MB) Tags: Photo Essays Credit: VIRIN: 161774-F-YOL14-250.jpg Photo Gallery