1942 XPB2M-1R Mars, BuAer 1520

four 2200hp Wright R-3350

In 1938 the Navy ordered a single prototype Martin Model 170 as an experimental patrol bomber, XPB2M-1.

Navy redesignated this one and only XPB2M-1 Mars as a transport, XPB2M-1R.

The name "Mars" would be used again in 1945 for a similar aircraft, Martin Model 170A, the JRM-1

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This photo was taken in 1944. The person in the photo is Ken Windson

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Aeroplane Photo Supply No. 2709

note, two engines feathered

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