Boats landing, Friday Harbor, San Juan Island, Washington, U.S., seen from Washington State Ferry.a Based on discussion on Wikipedia:Reference desk/Humanities, according to User:Iridescent, these are the rigid craft special forces use. Deor says: 'According to people selling used ones, they were made by VT Halter Marine, Inc., and were designated "MK MOD 2 High Speed Assault Craft".'