U.S. Outer Continental Shelf
All submerged lands lying seaward and outside of the area of lands beneath navigable waters, as defined in Section 2 of the Submerged Lands Act (43 U.S.C. 1301), subsoil and seabed of which appertain to the United States and are subject to its jurisdiction and control.
Source:API RP T-1, Creating Orientation Programs for Personnel Going Offshore, Fifth Edition, November 2016. Global Standards