[1] Despite periodic Japanese mortar and sniper fire, by 1 July 1945 the base with its 5000 ft runway was ready for use by US Navy fighters.

Marine Aircraft Group 31 (MAG-31) was based at Chimu from 1 July 1945 until moving to Yokosuka for occupation duty on 12 October 1945, MAG-31 squadrons included VMF-224[2] and VMF-311 operating F4Us.

The squadron conducted anti-ship operations including use of the Tiny Tim rocket.

Post war the base was repurposed by USN Mobile Construction Battalions 3, 9 and 11.

On September 20, 1965, the base was reopened by the United States Marine Corps as Camp Hansen.