MEDITERRANEAN SEA (March 11, 2021) Sailors receive a second dose of the COVID-19 vaccination aboard the Nimitz-class aircraft carrier USS Dwight D. Eisenhower (CVN 69), in the Mediterranean Sea, March 11, 2021. The Dwight D. Eisenhower Carrier Strike Group is on a scheduled deployment in the U.S. 6th Fleet area of operations in support of U.S. national interests and security in Europe and Africa. (U.S. Navy photo by Mass Communication Specialist Seaman Eric Edinger)