Shipping Abbreviation -M-

ABBREVIATION -M-

• M — Marine
• M. — mortar.
• MAC — Military Airlift Command.
• MarAd — Maritime Administration.
• MAP — Military Assistance Program.
• MB — motor boat.
• M.C. — Maritime Commission.
• M.C.E. — Maritime Commission Emergency Ship Program (“Liberty” ships).
• MSC — mine countermeasures ship.
• M.C.V — Maritime Commission Victory Ship Program (“Victory” ships).
• M.D.A.P. — Mutual Defense Assistance Program.
• Mfr — manufacturer.
• mg. — machine gun.
• MHA — minehunter, auxiliary.
• MHC — minehunter, coastal.
• MinDiv — mine division.
• MinFlot — mine flotilla.
• MinLant — Mine Force Atlantic.
• MinPac — Mine Force Pacific.
• MinRon — mine squadron.
• mis. — missile.
• mis. ln — missile launcher.
• mk. — mark.
• mlr. — muzzle-loading rifle.
• MM — minelayer, fleet.
• mm. — millimeter.
• MMA — minelayer, auxiliary.
• MMC — minelayer, coastal.
• MMD — minelayer, fast (formerly DM).
• MMP — minelayer, fleet.
• Mon — monitor.
• MON — monitor (new riverine warfare type).
• Moran — Moran Brothers Co., Seattle, Washington.
• Mssh. — Mosher-type boiler.
• mot — motor generator.
• mph — miles per hour.
• MS — motor ship.
• MSA — minesweeper, auxiliary.
• MSB — minesweeping boat.
• M.S.C. — Military Sealift Command (formerly MSTS).
• MSC — minesweeper, coastal (nonmagnetic).
• MSCO — minesweeper, coastal (old).
• MSD — minesweeper, drone.
• MSF — minesweeper, fleet (steel hull).
• MSI — minesweeper, inshore.
• MSL — minesweeping launch.
• MMS — minesweeper, river.
• MSO — minesweeper, ocean (nonmagnetic).
• MSR — minesweeper, patrol.
• MSS — minesweeper, special (device).
• MSTS — Military Sea Transportation Service (now Military Sealift Command).