(Askeri) Savunma Bakanlığı Özel Güvenlik Muhabere Sistemleri (DSSCS) İşlem Talimatları; İçişleri Bakanlığı (Defense Special Security Communications System (DSSCS) Operating Instructions; Department of Interior)
English - English
Definition of department of the interior in English English dictionary
the part of the US government responsible for protecting the US's natural resources (=land, minerals, water, natural energy etc) . The person in charge of this department is called the Secretary of the Interior