The American Naval Base in Ponta Delgada, 1917–19

This article derives from a master’s thesis about the consequences of World War I in the Azores archipelago that included a chapter dedicated to the U.S. Navy facilities at Ponta Delgada on the island of São Miguel. With its two U.S. Marine Corps units, U.S. Naval Base 13 defended the port, a British wireless station near Ponta Delgada, and support structures for the assigned or passing naval units. This article offers a vision of Naval Base 13 as a U.S./Europe border during World War I that was critical to the protection of British and American military and commercial shipping and denying Germany any base of operations in the region from which to launch attacks on Allied forces.