Hawaii has many military bases, so this a category for them
Zo316. One of 5 images of concrete structure #4 NW of Battery Hulu.
Zo315. Ex structure #3 with a concrete floor NW of Battery Hulu.
One of 3 images of concrete structure #2 NW of Battery Hulu.
Concrete structure #1 NW of Battery Hulu.
One of 2 images showing 4 concrete structures NW of Battery Hulu.
One of 3 images approaching Puu-O-Hulu.
