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 IMAGE: Download Image: Full Size (1.86 MB) Tags: Marine Corps Photo By: Marine Corps Lance Cpl. Jackson Dukes VIRIN: 200121-M-JD525-043C.JPG Photo Gallery