Posted in Government & Military, Science DRSN stands for Defense Red Switch Network DRSN stands for Département des Réacteurs et Services Nucléaires (French: Department of Reactors and Nuclear Services) DRSN Share Pinterest Tweet Whatsapp Post navigation DRSTMDRSNOC Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *Comment * Name * Email * Website Save my name, email, and website in this browser for the next time I comment.