Sailors are taken below decks on an aircraft elevator for medical treatment during a mass casualty drill on the flight deck of the Nimitz-class aircraft carrier USS Dwight D. Eisenhower. Dwight D. Eisenhower is deployed to the U.S. 5th Fleet area of responsibility conducting maritime security operations, theater security cooperation efforts and support missions as part of Operation Enduring Freedom. The U.S. Navy is constantly deployed to preserve peace, protect commerce, and deter aggression through forward presence. Join the conversation on social media using #warfighting.