For the 4 islands in Manila Bay that used to be the Manila Bay Defense Forts, Corregidor-Ft. Mills, Caballo-Ft. Hughes, Fraile-Ft. Drum, Carabao-Ft.Frank.
Fort Drum, cage-mast erection, El Fraile Island from CDSG
Fort Drum Construction, El Fraile Island from CDSG,
Fort Drum Construction, El Fraile Island from CDSG, SW View.
Plan to install 16 inch guns on Monja Island. From Tony Feredo.