To amend title 10, United States Code, and the Act entitled "An Act to authorize appropriations for the fiscal year 1973 for certain maritime programs of the Department of Commerce, and for related purposes", to require that certain vessels of the Department of the Navy and the Department of Transportation shall be partially scrapped before being used, respectively, for experimental purposes and as offshore artificial reefs, and for other purposes.

Directs the Secretary of the Navy, before using any obsolete naval vessels for experimental purposes, to carry out such partial scrapping of the vessels as is practicable. Requires all amounts received by the Navy for such partial scrapping to be deposited in the Sport Fish Restoration Account of the Aquatic Resources Trust Fund.

Directs the Secretary of Transportation, before transferring any obsolete ship to a State for its use, to carry out such partial scrapping of the ship if practicable. Requires any amounts recovered by such partial scrapping to be deposited in the Sport Fish Restoration Account.