Mystery Airplane Contest

Some aircraft companies created airliners or cargo haulers based on bombers. Boeing is a good example of this, as is Avro. The Boeing B-17 begat the Model 307 Stratoliner. The Avro Lancaster begat the York and the Avro Lincoln begat the Tudor. One of the most prolific families from Boeing, began with the B-29. From the B-29 came the B-50 via the re-engined XB-44. Also in this family, came the R-3350 powered XC-97 during WWII, which evolved into the production C-97/ KC-97 series with R-4360 "corncob" radials. These served with SAC, Tactical Air Command, and many guard units, including the MN-AN...