Lava Viper Marines move through concertina wire during Exercise Lava Viper on Pohakuloa Training Area, Hawaii, Nov. 4, 2015. The training allows Marines to utilize tactics and weapons while organizing within platoons. U.S. Marine Corps photo by Lance Cpl. Harley Thomas SHARE: Download: Full Size (0.6 MB) Credit: Lance Cpl. Harley Thomas VIRIN: 151104-D-HV319-050.JPG Photo Gallery