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?

Presented Presented Presented 1. For purposes of the Maritime Drug Law Enforcemen t Act (MDLEA), does a district court have authority to make its “p reliminary” determination of “jurisdiction”, two years after th e defendant entered his guilty plea, and a year and a half after the distri ct court signed the defendant’s written judgment? 2. For purposes of 46 U.S.C. § 70504(a), does the t erm “jurisdiction” refer to a district court’s subject matter or jurisdictio n, or does it instead refer to the extraterritorial reach of the statute?