OWC USB - SDML Compatible Computer Devices

Description extracted from Wikipedia:

| The Harbour Defence Motor Launch HDML ) was a British small motor vessel built during World War II. The HDML was designed by W J Holt at the Admiralty in early 1939. During the war, 464 HDMLs were constructed, mainly by yacht builders, in the United Kingdom and a number of other allied countries. In view of their later expanded combat roles in some Commonwealth navies some HDMLs were re-designated as "Seaward Defence Motor Launches" (SDML) or "Seaward Defence Boats" (SDB).