Hawaii has many military bases, so this a category for them
Zo338. One of 6 images of arched Tunnel #2 entrance belonging to the later Battery Construction Number (BCN) 303. Deeper inside, connecting the tunnels are magazines.
Zo335. One of 7 images (7-Inch gun emplacement #1) of Battery Hulu; then the later, more modern 6-inch Battery Construction Number (BCN) 303.
Zo334. One of 7 images (7-Inch gun emplacement #1) of Battery Hulu; then the later, more modern 6-inch Battery Construction Number (BCN) 303.
Zo332. One of 7 images (7-Inch gun emplacement #1) of Battery Hulu; then the later, more modern 6-inch Battery Construction Number (BCN) 303.
Zo331. One of 7 images (7-Inch gun emplacement #1) of Battery Hulu; then the later, more modern 6-inch Battery Construction Number (BCN) 303.
Zo330. One of 7 images (7-Inch gun emplacement #1) of Battery Hulu; then the later, more modern 6-inch Battery Construction Number (BCN) 303.
Zo329. One of 7 images (7-Inch gun emplacement #1) of Battery Hulu; then the later, more modern 6-inch Battery Construction Number (BCN) 303.
Zo322. The location of Gun Battery Hulu and BCN-303 at Puu-O-Hulu and Ma Ili Point.
Zo325. One of 7 images approaching Tunnel #1 and the tunnel door belonging to the later Battery Construction Number (BCN) 303.
Zo324. One of 7 images approaching Tunnel #1 and the tunnel door belonging to the later Battery Construction Number (BCN) 303.
