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.
1 fob-A small pocket close to the waistband of trousers. 2  galluses-Another name for suspenders for trousers. 3  plus fours-Got their name (c. 1920) from the fact that such trousers were made four inches longer than standard knickerbockers or shorts, which came to just above the knee.. (Clothing & Fashion) a garment shaped to cover the body from the waist to the ankles or knees with separate tube-shaped sections for both legs. 2. wear the trousers Brit to have control, esp in a marriage. US equivalent: wear the pants. [C17: from earlier trouse, a variant of trews, influenced by drawers].