The Military Sealift Command (MSC), Service Ships Support Program Office, PM42, requests information pertaining to one U.S.flag, Jones Act Compliant vessel to support general ocean towing, salvage, an... The Military Sealift Command (MSC), Service Ships Support Program Office, PM42, requests information pertaining to one U.S.flag, Jones Act Compliant vessel to support general ocean towing, salvage, and deep sub-surface resuce operations. See attached Sources Sought Notice for full details.