1. For purposes of the Maritime Drug Law Enforcement Act (MDLEA), does a district court have authority to make its "preliminary" determination of "jurisdiction", two years after the defendant entered his guilty plea, and a year and a half after the district court signed the defendant's written judgment?

2. For purposes of 46 U.S.C. § 70504(a), does the term "jurisdiction" refer to a district court's subject matter or jurisdiction, or does it instead refer to the extraterritorial reach of the statute?

For purposes of the Maritime Drug Law Enforcement Act (MDLEA), does a district court have authority to make its 'preliminary' determination of 'jurisdiction' two years after the defendant entered his guilty plea?