During open house at Edwards AFB.

Piasecki YH-21-PH Workhorse One of 18 SAR (Search and Rescue) service test models built. This one, assigned to the Wright Air Development Command, has a triangular device fitted to the windshield. Seen at a Dayton, Ohio air show in May1955. Later models, with their Arctic winter capabilities ( the H-21A and H-21B) were put into service by both the U.S. Air Force (USAF) and the Royal Canadian Air Force (RCAF) to maintain and service DEW (Distant Early Warning) radar installations stretching from the Aleutian Islands and Alaska across the Canadian Arctic to Greenland and Iceland.

Based at Wright Patterson AFB and seen at an air show there in May, 1956.

Based at Wright Patterson AFB and seen at an air show there.

Based at Wright Patterson AFB and seen at an air show there in May, 1956. "J" designation prefix denotes special test and is temporary.

Built as a KC-97F and converted to KC-97H testbed for probe and drogue refueling.

The T-33 (RH side) appears to be 52-9809 TR-809 c/n 580-8069.

"Phase 5" in red on air inlet.

Converted from a civil CV340-36 in 1954 and seen on display at Lockbourne AFB, Ohio in May, 1956, still fitted with Allison YT-56-A3 engines and three bladed propellers. Later fitted with Allison 501-D13 and then 501-D26 engines. Re-designated CV770 in 1967 in civilian use. Registrations worn include N5511K (ntu), N454, N454X, N970L, N630V. Convereted to a CV580 in 9/79 as N600AB, and later N400AB and C-GKFY.

Eugene Sommerich Collection via Jim Morrow