42 U.S.C. § 6939d: Public vessels

the waste is stored on the public vessel for more than 90 days after the public vessel is placed in reserve or is otherwise no longer in service; or the waste is transferred to another public vessel within the territorial waters of the United States and is stored on such vessel or another public vessel for more than 90 days after the date of transfer. the date on which the public vessel on which the waste was generated is placed in reserve or is otherwise no longer in service; or the date on which the waste is transferred from the public vessel on which the waste was generated to another public vessel within the territorial waters of the United States; The term “public vessel” means a vessel owned or bareboat chartered and operated by the United States, or by a foreign nation, except when the vessel is engaged in commerce. The terms “in reserve” and “in service” have the meanings applicable to those terms under section 8663 and sections 8674 through 8678 of title 10 and regulations prescribed under those sections. Nothing in this section shall be construed as altering or otherwise affecting the provisions of section 8681 of title 10 .