Martin with their P6M SeaMaster that answered the call to give ... off from the water with the grace and the composure of a flying boat half its size. With twin 20 mm autocannons for self-defense ...

Martin tried to modify the SeaMaster concept into an eight-engine civilian airliner called the SeaMistress, and also toyed with the notion of a nuclear-powered flying boat and a supersonic seaplane.

In the 1950s, the United States Navy built a strategic bomber flying boat, with some pretty incredible features. The Martin P6M SeaMaster was primarily touted as a high speed mine-layer.

The Convair R3Y Tradewind, a transport flying boat adopted in 1956 ... Perhaps most impressive of all was the Martin P6M SeaMaster. Originally intended to carry nuclear weapons, it was a massive ...