Unai Lagua Japanese Defense Pillbox
Unai Lagua Japanese Defense Pillbox, World War II defense fortification in Saipan, Northern Mariana Islands
The pillbox structure combines poured concrete and coral boulders with natural rock formations integrated into its defensive walls at Unai Lagua Beach.
Japanese forces constructed this defensive position in 1943 during material shortages while preparing for potential Allied attacks on the strategic Pacific island.
The fortification represents the military engineering practices employed during World War II in the Pacific, incorporating local materials into military architecture.
Visitors can reach the defense structure by following the coastal path along Unai Lagua Beach, also known as Parrot Fish Beach.
The natural materials used in construction made this fortification nearly impossible to detect from aerial reconnaissance or offshore naval positions.
Location: Saipan
GPS coordinates: 15.27220,145.82600
Latest update: March 16, 2025 12:50
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