High Quality Content by WIKIPEDIA articles! The National Defence Headquarters (NDHQ) is the headquarters for Canada's Department of National Defence (DND) and the Canadian Forces. NDHQ actually comprises a collection of offices spread in buildings across the National Capital Region, however it is most commonly identified with the Major-General George R Pearkes Building at 101 Colonel By Drive in Ottawa. Falling under the Minister of National Defence, NDHQ includes the office of the Deputy Minister (DM), the office of the Chief of the Defence Staff (CDS), the office of the the Vice Chief of the Defence Staff, and all the "level 1" headquarters and staffs.