M.S., M.V.
M.S. is an unofficial designation meaning Motor Ship.
M.V. is an unofficial designation meaning Motor Vessel.
Roman, periods, no space:
M.S. African Queen
M.V. Lone Star
M.S. is an unofficial designation meaning Motor Ship.
M.V. is an unofficial designation meaning Motor Vessel.
Roman, periods, no space:
M.S. African Queen
M.V. Lone Star