Built to USAAF order as C-54D 42-72592 but delivered direct to US Navy in 05.45 as R5D-3 56511. Modified to C-54S in 1962 and flew until stored at DM in 12.70. Sold in 02.75 as N67029 serving a series of minor commercial operators until it was bought for the museum in 12.95 and restored in its USAF guise.