The Naval Update Map shows the approximate current locations of U.S. Carrier Strike Groups (CSGs) and Amphibious Ready Groups (ARGs), based on available open-source information. No classified or operationally sensitive information is included in this weekly update. CSGs and ARGs are the keys to U.S. dominance over the world's oceans. A CSG is centered on an aircraft carrier and includes significant offensive strike capability. An ARG is centered on three amphibious warfare ships, with a Marine Expeditionary Unit embarked. Carrier Strike Groups CVN 68: The USS Nimitz is underway in the North Arabian Sea. CVN 69: The USS Eisenhower is underway in the Atlantic Ocean prior to a Middle East deployment. CVN 71: The USS Roosevelt is underway in the South China Sea. Amphibious Ready Groups/Marine Expedition Units LHD 1: The USS Wasp is underway in the Atlantic Ocean on a routine deployment.