A. F. Theriault & Son Ltd is a privately owned shipyard located in Meteghan River, Digby County, Nova Scotia, Canada. It was founded by Augustin Theriault in 1938.[1] The shipyard has built a variety of marine vessels. Past projects include the Boston fireboat American United, built in 2011. A current series of vessels are Hammerhead Target Drones, remote controlled high-speed drones used to train naval units in five countries.