Metabaru Air Field was opened in 1943 as a branch of the
Imperial Japanese Army Air Service Tachiarai Training School with the specific task of training pilots for the
Japanese Special Attack Units. In 1954, it became a supply depot for the Japan Ground Self-Defense Force, with the 4th Air Corps relocating from Ozuki Garrison in 1956.The 4th Air Corps became the 4th Squadron, a subordinate unit of the Western Air Corps in 1962. In 1968, the Western Helicopter Squadron was established. This was followed by the 3rd Anti-Tank Helicopter Squadron in 1990. The squadron was equipped with
AH-64D Apache from 2010. On February 5, 2018 an AH-64D Apache based at Metabaru crashed in nearby
Kanzaki, Saga. Both crew members were killed in the crash, a local person was injured and a house was destroyed. ==References==