The Detroit River Post Office Station is the ONLY postal unit known in the world devoted exclusively to the delivery of mail to vessels that are UNDER WAY.
J.W. Westcott II is a boat that delivers mail to other vessels and also provides a pilot boat service to ferry pilots to and from other vessels. The boat operates out of Detroit, Michigan, and is the only floating post office in the world that delivers mail to ships as they are underway
The Mail Boat is not owned by the USPS. It’s services are obtained by government contract with private owners.
