On March 15, 2011, the U.S. Navy conducted operations around the world while also providing humanitarian aid to Japan following its earthquake and tsunami. Key events included the Ronald Reagan Carrier Strike Group delivering supplies to Japan, the Essex Amphibious Ready Group transporting a Marine Expeditionary Unit near Japan to support relief efforts, and the Navy working to transport additional aid and relief supplies. Additionally, the Navy performed various operations including training exercises in the Arctic Ocean and counter-illicit trafficking missions in the Southern Command area of responsibility.