Confidence votes 18.5K. BMC is the rate/rank designation for a Chief Boatswain's Mate (read Boatswain's Mate, Chief). SW  is the sailor's Warfare Qualification Designator, in this case, Surface Warfare. Written correctly, it would read BMC(SW) .
FOB stands for Free On Board or so there is no line item payment by the buyer for the cost of getting the goods onto the transport. There are two possibilities: FOB origin, or FOB destination. FOB origin means the transfer occurs as soon as the goods are safely on board the transport.
Definition. A key fob is an electronic version of a key. The cuts and grooves of old-fashioned metal keys allow them to fit into specific locks. By contrast, fobs use electronic codes that match the programming on specific locks.