Battery Rodgers
Battery Rodgers was a gun emplacement that composed a portion of the American Civil War defenses of the American capital city of Washington , D . C . 
<triplet> Battery Rodgers <subj> American Civil War defenses <obj> part of <triplet> American Civil War defenses <subj> Battery Rodgers <obj> has part <subj> Washington, D.C. <obj> located in the administrative territorial entity