The Avro <i>Lincoln</i> test bed (ex RAF serial RF530), bearing the civilian "Class B" test registration G-37-1, in flight. It was fitted with a Rolls-Royce <i>Tyne</i> turboprop in the nose.
USN
1956
U.S. Navy Naval Aviation News January 1957 <a rel="nofollow" class="external autonumber" href="http://www.history.navy.mil/nan/backissues/1950s/1957/Jan57.pdf">[1]</a>, p. 31.