Masked Meeting Marines conduct meetings inside a field expeditionary shelter in Hokkaido, Japan, Jan. 21, 2020, during Northern Viper, an exercise designed to enhance the interoperability of the U.S. and Japan alliance by allowing infantry units to maintain their lethality and proficiency in infantry and combined arms tactics. SHARE: Download: Full Size (1.86 MB) Tags: Marine Corps Credit: Marine Corps Lance Cpl. Jackson Dukes VIRIN: 200121-M-JD525-043C.JPG Photo Gallery