ATLANTIC OCEAN (June 15, 2021) Engineman 2nd Class Andrew Hill, from Spokane, Washington, takes a lube oil sample from an emergency diesel generator in a diesel generator room aboard the Nimitz-class aircraft carrier USS Harry S. Truman (CVN 75) during a tailored ship's training availability (TSTA) and final evaluation problem (FEP). Harry S. Truman, with embarked Carrier Air Wing 1, is underway conducting TSTA and FEP to assess their ability to conduct combat missions, support functions and survive complex casualty control situations in preparation for full integration into a carrier strike group. (U.S. Navy photo by Mass Communication Specialist Seaman Tyler Cardoza)