Soesterberg Air Base was a Royal Netherlands Air Force military air base located in Soesterberg, 14 kilometres east-northeast of Utrecht. It was first established as an airfield in 1911, and in 1913, the Dutch Army bought the field and established the Army Aviation Division. For almost 40 years, United States Air Force facilities at Soesterberg, named Camp New Amsterdam was a major front line USAFE air base during the Cold War.