Applying Tourniquet A U.S. Marine demonstrates to Sri Lankan Marines the proper way to apply a tourniquet to a mock patient during the tactical casualty combat care portion of a military tactics training and exchange, part of a theater security cooperation engagement at Welissara Naval Base, Sri Lanka, March 29, 2017. Marine Corps photo by Cpl. Devan K. Gowans SHARE: Download: Full Size (1.74 MB) Tags: Marines, Sailors, training, Navy, Marine Corps Credit: Lance Cpl. Devan Gowans VIRIN: 170329-M-GM943-241A.JPG Photo Gallery