Douglas A-20 Havoc
It served with several Allied air forces , principally the United States Army Air Forces ( USAAF ) , the Soviet Air Forces ( "VVS" ) , Soviet Naval Aviation ( "AVMF" ) , and the Royal Air Force ( RAF ) of the United Kingdom . 
<triplet> Allied <subj> United Kingdom <obj> has part <triplet> Royal Air Force <subj> United Kingdom <obj> country