170509-F-OH871-0164 HURLBUET FIELD Fla. (May 9, 2017) Navy SEAL team members conduct a proof of concept mission testing the efficacy of towing methods and insertion techniques during TRIDENT 17 on Hurlburt Field, Fla. 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. Air Force photo by Tech. Sgt. Gregory Brook/Released)