Exercise Sea Soldier Marine Corps Cpl. Johnathan Riethmann, a mortarman with Company A, Battalion Landing Team 1st Battalion, 4th Marines, 11th Marine Expeditionary Unit, walks to a staging area in preparation for Exercise Sea Soldier 17 at Senoor Beach, Oman, Feb. 15, 2017. Sea Soldier 17 is an annual, bilateral exercise conducted with the Royal Army of Oman designed to demonstrate the cooperative skill and will of U.S. and partner nations to work together in maintaining regional stability and security. Marine Corps photo by Gunnery Sgt. Robert B. Brown Jr. SHARE: Download: Full Size (0.86 MB) Credit: Gunnery Sgt. Robert Brown VIRIN: 170215-M-WQ703-201.JPG Photo Gallery