Subskimmer Diver Propulsion vehicle

See
http://www.globaltradelink.co.uk/dpvsdv.html
http://sofrep.com/5847/navy-seal-mission-de-classified-operation-thunderhead/
http://en.wikipedia.org/wiki/Subskimmer

Product: SUBSKIMMER SSK96
http://www.cipta-taruna.com/ssk96.html

Product: SUBSKIMMER SSK180
http://www.cipta-taruna.com/ssk180.html

Producer: MST Special Products is a wholly owned subsidiary of MST – Marine Specialised Technology
http://www.mstltd.co.uk/special-products