150319-N-FI568-026 ATLANTIC OCEAN – Sailors prepare to take the E-4 advancement exam on the mess decks of the Nimitz-class aircraft carrier USS Theodore Roosevelt March 19. Theodore Roosevelt deployed from Norfolk and will execute a homeport shift to San Diego at the conclusion of deployment.Theodore Roosevelt is conducting naval operations in the U.S. 6th Fleet area of operations in support of U.S. national security interests in Europe.