National Museum of the United States Navy
Navy Museum for short , is the flagship museum of the United States Navy and is located in the former Breech Mechanism Shop of the old Naval Gun Factory on the grounds of the Washington Navy Yard in Washington , D . C . , United States . 
<triplet> Naval Gun Factory <subj> United States Navy <obj> owned by <subj> Washington, D.C. <obj> located in the administrative territorial entity <triplet> Washington Navy Yard <subj> United States Navy <obj> owned by <subj> Washington, D.C. <obj> located in the administrative territorial entity