The YUH-61 was Boeing Vertol's unsuccessful competitor to Sikorsky's Black Hawk. The need to fit in a C-130 was even more appararent in this design. The photo shows the type's first flight, which does not seem to have taken place at the Ridley Park factory. Photo from: Vertical Flight Society
This photo was added on 19 May 2021, and has since been viewed 1697 times.