Unit 1120, which will complete the bow section of the first National Security Cutter under construction at Northrop Grumman Ship Systems' Pascagoula facility, was lifted into place this week. According to NSC General Ship Superintendent Royce Winbush, the unit encloses the anchor windlass machinery room and covers the chain lockers area on the cutter. Unit 1120, wieghing 50 tons, was the 44th unit and last hull section erected on the ship. final grand block unit on the U.S. National Security Cutter. Katrina. U.S. Coast Guard Programs. entire spectrum of production programs here at Ship Systems. we learned. No stone was left unturned. track and receive materials. firsts in the quality of the build. ship erection sequence on schedule.