USNORTHCOM's Area of Responsibility (AOR) includes air, land and sea approaches and encompasses the continental United States, Canada, Mexico and the surrounding water out to approximately . It also includes the Gulf of Mexico, the Straits of Florida, portions of the Caribbean region to include The Bahamas, Puerto Rico, the U.S. Virgin Islands, the British Virgin Islands, Bermuda, and the Turks and Caicos Islands. The commander of USNORTHCOM is responsible for theater security cooperation with Canada, Mexico, and The Bahamas. In May 2011, NORTHCOM was mobilized in the wake of the BP oil spill in the Gulf of Mexico to provide air, ground, and logistical support. In October 2014, NORTHCOM took administrative control of Alaskan Command.