Andersen Air Force Base
Guam was subsequently converted into a forward operations base for the U.S. Navy and Air Force. Airfields were constructed in the northern part of the island (including Andersen Air Force Base), the island's pre-WWII Naval Station was expanded, and numerous facilities and supply depots were constructed throughout the island. North Field was established in 1944, and was renamed for Brigadier General James Roy Andersen of the old U.S. Army Air Forces as Andersen Air Force Base.