It moved to Shimofusa Air Base in Chiba Prefecture on September 1, 1962.

In 1971 part of Naval Air Facility Atsugi was returned to Japanese control by the US Navy.

On March 16, 2008 it merged with Air Patrol Squadron 6, which had also been based at Atsugi.

In April 2014 two P-3Cs from Atsugi deployed to RAAF Base Pearce near Perth in Western Australia to participate in the international search for the missing Malaysia Airlines Flight 370 to replace two P-3Cs from Air Patrol Squadron 5 that had deployed in March.

The aircraft conducted a number of damage assessment flights of the affected areas.