The 66th Infantry Division (, Hanja: 第å ÂÃ¥ÂÂå ÂæÂ¥å µå¸«åÂÂ) is a military formation of the Republic of Korea Reserve Forces and Republic of Korea Army. The division is subordinated to the Mobilization Force Command and is headquartered in Gapyeong County, Gyeonggi Province and was created on 1 March 1982. During the peacetime, they are in charge of recruit training and active as a second line military unit.