; and (2) when engaged on a voyage of less than 600 miles, to be manned with a minimum number of 1 licensed engineer in the engine department. (b) Covered vessel defined In this section, the term covered vessel means a towing vessel issued a certificate of inspection under subchapter M of chapter I of title 46, Code of Federal Regulations, which— (1) forms part of an articulated tug-barge unit; and (2) is either— (A) equipped with engineering control and monitoring systems of a type accepted by a recognized classification society for a periodically unmanned machinery space notation or accepted by the Commandant for a periodically unattended machinery space endorsement; or (B) is a vessel that, prior to July 19, 2022, was issued a minimum safe manning document or certificate of inspection that authorized equivalent or less manning levels. . D Other Matters 341. Anchor handling activities Section 12111(d) of title 46, United States Code, is amended— (1) in paragraph (1)— (A) in subparagraph (A) by inserting or other energy production or transmission facility, or vessel engaged in the launch, recovery, or support of commercial space transportation or space exploration activities after drilling unit ; and (B) in subparagraph (B) by inserting or other energy production or transmission facility, or vessel engaged in the launch, recovery, or support of commercial space transportation or space exploration activities after drilling unit ; and (2) by adding at the end the following: (3) Energy production or transmission facility defined In this subsection, the term energy production or transmission facility means a floating offshore facility that is— (A) not a vessel; (B) securely and substantially moored to the seabed