PACIFIC OCEAN (May 12, 2022) Sailors participate in a firefighting drill on the flight deck of aircraft carrier USS Nimitz (CVN 68). Nimitz is underway for Tailored Ship's Training Availability/Final Evaluation Problem (TSTA/FEP). TSTA/FEP is a multi-phase training evolution designed to give the crew a solid foundation of unit-level operating proficiency and to enhance the ship's ability to self-train. Nimitz is conducting operations at sea. (U.S. Navy photo by Mass Communication Specialist 3rd Class David Rowe)