14 U.S.C. § 634 : US Code - Section 634: Officers holding certain offices

Search 14 U.S.C. § 634 : US Code - Section 634: Officers holding certain offices

(a) Any officer, including any petty officer, may be designated
by the Commandant as captain of the port or ports or adjacent high
seas or waters over which the United States has jurisdiction, as
the Commandant deems necessary to facilitate execution of Coast
Guard duties.
(b) Commissioned officers may be appointed as United States
Deputy Marshals in Alaska.