M/V Marine One is a fireboat operated by the Seattle Fire Department (SFD).
The 50-foot (15 m) vessel, classified by the SFD as a "fast attack boat", has a flank speed of about 30 knots.
[1] It is a FireStorm 50 model fireboat constructed by MetalCraft Marine of Kingston, Ontario.
[2] The craft has an integrated 200-US-gallon (760 L; 170 imp gal) foam tank for use against chemically-fueled fires.
[3] It can pump water for land-based firefighting, handle rescue and salvage operations in contaminated environments, accommodate emergency medical services and pinpoint people in the water and other hot spots through a thermal imaging camera.