During an unanounced Civilian Inspection on 27 November 1999 a Dutch anti-military group 'Onkruit' (Weed) found some American nuclear weapons documents at the American Communication complex of the 752 Munitions Support Squadron at the air base Volkel, Holland.
The full story of this is Onkruit's website http://www.contrast.org/onkruit/. The site is in Dutch but three of these US documents are in English and are reproduced below: