; and (II) upon the United States grant of such authority, the line established by such grant of authority; or (v) for any possession of the United States not under clause (ii), (iii), or (iv), the coastline of such possession. (C) Construction Nothing in this definition may be construed to diminish the authority of the Department of Defense, the Department of the Interior, or any other Federal department or agency. (4) Lessee The term lessee means any party to a lease, right-of-use and easement, or right-of-way, or an approved assignment thereof, issued pursuant to the Outer Continental Shelf Lands Act ( 43 U.S.C. 1331 et seq.). (5) Marine aquaculture The term marine aquaculture means any activity involved in the propagation, rearing, or attempted propagation or rearing, of cultured species in saltwater or brackish water conditions in the exclusive economic zone, State waters, coastal waters, estuaries, or land-based facilities, including recirculating saltwater facilities directly supporting such activities. (6) Offshore aquaculture The term offshore aquaculture means any activities involved in the propagation, rearing, or attempted propagation or rearing, of cultured species in the exclusive economic zone. (7) Offshore aquaculture facility The term offshore aquaculture facility means— (A) an installation or structure used, in whole or in part, for offshore aquaculture