The treaty has been alleged to have been violated on a number of occasions. Manoeuvres including NATO troops in Trollenhagen, Mecklenburg-Vorpommern in the area of the former East Germany have been questioned.[8][verification needed] Under one interpretation of the treaty, only German forces may be deployed in the area of the former East Germany.[dubious ] In September 2007, France offered Germany joint control over its nuclear arsenal, but the Germans rejected this.[9]