Ensign used by the U.S. Coast Guard (variation of earlier Customs/Revenue flag)
File:CoastGuardEnsign Sagredo.svg (which was originally built from Created from File:Great Seal of the United States (obverse).svg, File:United States civil flag.svg and File:Seal of the U.S. Coast Guard.svg). Photograph of the actual flag is at http://www.uscg.mil/history/flagindex.asp
User:Sagredo, User:Zscout370, w:United States Coast Guard