Marine Unit 1 is a 2012 Zodiac rigid hull inflatable boat with a Mercury 15 horsepower motor. It carries a full complement of buoyancy devices, a snaring pole, and other water rescue gear. Although Littleton is not ocean front property, it does contain many bodies of water popular for recreation. The boat is mounted on its own trailer which can be brought to a scene by various vehicles including Car 11, Car 12, and Forestry 1.