Kisarazu Air Field, Military air base in Kisarazu, Japan
Kisarazu Air Field is a military air base situated near Tokyo Bay with a 1,830-meter asphalt runway. The installation serves as a maintenance facility for V-22 Osprey transport helicopters and handles various helicopter operations for regional defense units.
The facility was established in 1936 as an Imperial Japanese Navy base and served military operations during World War II. After 1945, it came under American control and was later incorporated into Japan's post-war defense system through bilateral agreements.
The installation serves as a key defense facility shared between Japanese and American military forces, reflecting decades of security partnership. The base represents how Japan's defense posture is shaped through cooperation with allied nations in the region.
The base is not open to the public as it remains an active military installation. Visitors can view the facility from nearby public areas and observation points around the perimeter.
The base demonstrates continuity from its founding in 1936, operating as a military airfield for nearly 9 decades without interruption. Its role in supporting both Japanese and American aircraft operations represents a distinctive arrangement within the region's security framework.
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