Here are some photos I took of de Havilland C-7A Caribou (de Havilland Canada DHC-4) examples on display including a prototype airframe (with plenty of active service) at Ft Novosel; the second Caribou (Serial #2) at the Legacy Flight Museum; as well as the NMoUSAF and Robins AFB.
YYC-7A Caribou 57-3080
Prototype in 1958; joined the Army later that year as 57-3080