Triangular Trip U.S. and partner-nation marines conduct riverine operations and small boat training during UNITAS, the world’s longest-running annual multinational maritime exercise, in Covenas, Colombia, July 15, 2023. SHARE IMAGE: Download Image: Full Size (5.28 MB) Tags: exercises, marine corps, marine corps, partnerships, UNITAS Photo By: Marine Corps Sgt. Juan Carpanzano VIRIN: 230715-M-IA005-1246M.JPG Photo Gallery