The island was part of the Manila and Subic Bay Harbor Defense Command.
Zc085. The plaque attached to the light on El Fraile Island, the former Fort Drum on 2005-01-21.
Zc084. The navigational light on El Fraile Island, the former Fort Drum on 2004-01-29.
Fort Drum Construction, El Fraile Island from CDSG, SW View.
Fort Drum, cage-mast erection, El Fraile Island from CDSG
