Martin PB2M-1R Mars in Flight

Martin PB2M-1R Mars in Flight
Here we see Glenn Martin watching his massive Martin PB2M-1R Mars in flight. This was the largest Allied flying boat to enter production, although only a handful were ever built.
How to cite this article: Rickard, J (21 October 2018), Martin PB2M-1R Mars in Flight , http://www.historyofwar.org/Pictures/pictures_PB2M-1R_Mars.html

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