In 1966, following disagreements by the French with certain NATO military policies, President Charles de Gaulle stated that all forces within France's borders would have to come under French control by April 1969. Soon afterward, France announced that SHAPE and its subordinate headquarters must leave French territory by April 1967. The following year, SHAPE moved to Mons, Belgium, while Headquarters EUCOM moved to Patch Barracks in Stuttgart, Germany. Headquarters Seventh Army moved to Heidelberg, where it merged with Headquarters United States Army, Europe. At Patch Barracks, EUCOM renovated the buildings, built a new operations center, and modernized communications infrastructure.