170505-N-HD510-0019 CAMP SHELBY, Miss. (May 5, 2017) An East Coast-based Navy SEAL stacks M888 60mm mortar rounds in preparation of indirect-fire training at Camp Shelby, Miss. during TRIDENT 17. TRIDENT 17 is naval special warfare’s premier joint training event that encompasses several special operations forces and conventional military participants, as well as partner nations and partner agencies to create realistic, combined-effort scenarios for operational units. (U.S. Navy photo by Mass Communication Specialist 2nd Class Scott Fenaroli/Released)