170504-N-TC720-275 JOHN C. STENNIS SPACE CENTER, Miss. (May 4, 2017) An East Coast-based Navy SEAL team participates in a nighttime exercise during TRIDENT 17, at the John C. Stennis Space Center, Miss. TRIDENT 17 is naval special warfare's premiere 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 Mat Murch/Released)