Amphibious Training Base, Castroville also known as Radio Direction Finder Station, Castroville; Naval Radio Station, Castroville; Watsonville Bombing Target Number 8, was a United States Navy military facility located in Castroville, California.
History
It was used as a training base until it was transferred to the United States Coast Guard in the 1960s.
References
Amphibious Training Base, Castroville Wikipedia(Text) CC BY-SA