United States Forces Azores Management Command Azores Detachment and the base's resident officer in charge of construction. There are approximately 425 U.S. military and 10 Department of Defense civilians assigned to the group. The total U.S. population, including dependents, is about 2,170. Department of Defense employs approximately 930 Portuguese civilians at Lajes Field. An Air Force colonel serves jointly as U.S. Forces Azores commander and as commander of the 65th Air Base Group, Air Combat Command. United States Forces Azores United States Forces Azores (USAFORAZ) is based at Lajes Field, Portugal near Lajes on Terceira Island in the Azores. In 1953, the U.S. Forces
Hydrothermal vents and seamounts of the Azores waters of the Azores: These sites, with the exception of the Moytirra system, are located in the southern part of the archipelago, and have been investigated by national and international scientists. The isolated Dom João de Castro Bank is also considered in this group; located between São Miguel and Terceira, the seamount is one of the highest independent seamounts in the archipelago and home to a thriving marine volcanic habitat. In 2010, a shallow hydrothermal field was discovered off the Ponta da Espalamaca, on the island of Faial, showing evidence of de-gasification. Efforts are being made to classify these areas