150322-N-ZZ999-017 ATLANTIC OCEAN Commander, Carrier Strike Group 12 Rear Adm. Andrew Lewis, right, presents a token of appreciation to the Swedish Supreme Commander Gen. Sverker Göranson aboard the Nimitz-class aircraft carrier USS Theodore Roosevelt March 22, 2015. Theodore Roosevelt, homeported in Norfolk, is conducting naval operations in the U.S. 6th Fleet area of operations in support of U.S. national security interests in Europe.