re: #285 The Very Reverend Battleaxe of Knowledge
Plus, this is wrong (or overgeneralized): “U.S. /ˈbəŋkər/”. There are plenty of r-dropping dialects in the U.S.
Dictionaries default to Received Pronunciation (UK standard) and Standard American Pronunciation, which is basically how most network broadcasters speak in the States. SAP includes the /r/ in final position.