Now a museum exhibit in Philadelphia, it is the only GUPPY 1-A submarine left in the world. Built in 1943, the Becuna is a Balao-class submarine with a Greater Underwater Propulsive Power 1-A ...

Now a museum exhibit in Philadelphia, it is the only GUPPY 1-A submarine left in the world. Built in 1943, the USS Becuna is a Balao-class submarine with a Greater Underwater Propulsive Power, or ...

Now a museum exhibit in Philadelphia, it is the only GUPPY 1-A submarine left in the world. Built in 1943, the USS Becuna is a Balao-class submarine with a Greater Underwater Propulsive Power, or ...