ATLANTIC OCEAN (March 3, 2022) Master-at-Arms 1st Class Hermes Mercado, right, assigned to the guided-missile destroyer USS The Sullivans (DDG 68), instructs Sailors during Security Reaction Force-Basic (SRF-B) training, March 3. The Sullivans is deployed to the European theater of operations and participating in a range of maritime activities in support of U.S. 6th Fleet and NATO Allies. (U.S. Navy photo by Mass Communication Specialist 2nd Class Delaney Jensen)