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.
FOB - is a degrading term for people not up to date on the culture which is an abbreviation for (Fresh Of the Boat.) meaning you still carry your sense of fashion from your country which clashes with the current countries cultures. Origin: Hawaii 60's Local Hawaiians used it to refer to white people who came from mainland US to Hawaii.