The Willys MB and the Ford GPW, both formally called the U.S. Army "Truck, 1⁄4 ton, 4×4, Command Reconnaissance", commonly known as Jeep and sometimes referred to as G503 are off-road capable, light, military utility vehicles that were manufactured during World War II (from 1941 to 1945) for the Allied forces.—Wikipedia
The Dodge WC series was a prolific range of light 4WD and medium 6WD military utility trucks, produced by Dodge/Fargo during World War II. Dodge WC-series came in many purpose-built variants from the factory. The WC series evolved out of, and was part of a more extended family of trucks, with great mechanical parts commonality, that included open- and closed-cab cargo and weapons carriers, command cars, reconnaissance vehicles, telephone installation trucks, panel vans, carryalls, ambulances and mobile workshops. From 1940 to 1942, almost 82,400 1⁄2-ton 4x4 Dodge trucks were built. WC was not an abbreviation of "Weapons Carrier", but a Dodge model code – initially W for 1941, and C for half-ton rating.—Wikipedia
Moran Towing maintains at least three and often four tugs in Portsmouth to assist with river traffic that brings several million tons of cargo a year – coal, natural gas, road salt, and products for a Foreign Trade Zone – up the the Piscataqua River and through Portsmouth Harbor.—portsmouthnh.com Portsmouth is a city in the state of New Hampshire. A historic seaport and popular summer tourist destination on the Piscataqua River bordering the state of Maine. Portsmouth shipbuilding history has had a long symbiotic relationship with Kittery, Maine, across the Piscataqua River. In 1781–1782, the naval hero John Paul Jones lived in Portsmouth while he supervised construction of his ship Ranger, which was built on nearby Badger's Island in Kittery. The Portsmouth Naval Shipyard was established in 1800 during the administration of President John Adams, and is the U.S. Navy's oldest continuously operating shipyard. It sits on a cluster of conjoined islands called Seavey's Island in the Piscataqua River, whose swift tidal current prevents ice from blocking navigation to the Atlantic Ocean.—Wikipedia