Source: United States Navy
Military Sealift Command operates 19 Large, Medium-Speed, Roll-on/Roll-off Ships, or LMSRs. These ships have significantly expanded the nation’s sealift capability in the 21st century. Twenty LMSRs have been converted or built at U.S. shipyards. One was further converted for other use. Eight are assigned to MSC’s Prepositioning Program and the remaining 11 belong to MSC’s Sealift Program.