170505-N-TC437-023 PACIFIC OCEAN (May 5, 2017) Lt. Joven Ernani Dinglasan, center, warfare tactics instructor (WTI) at the Naval Surface and Mine Warfighting Development Center, monitors Lt. Ryan Kelly, left, and Lt. Beux Wedderburen as they operate as the tactical action officer and force tactical action officer during a missile exercise aboard the Ticonderoga-class guided-missile cruiser USS Bunker Hill (CG 52). Thirteen WTIs are underway with the Theodore Roosevelt Carrier Strike Group leading advanced tactical training events in support of a group sail. (U.S. Navy photo by Mass Communication Specialist 2nd Class Ignacio D. Perez/Released)