Currently, American submarine production is only averaging to 1.3 completed boats per year. However, the Navy has set a lofty ...

Since the Cold War thankfully never became a full-scale “hot war,” the GUPPYs ended up never firing any shots in anger.

Building a Lego Submarine Watch as we build a radio-controlled submarine using Lego and other materials. This fun project turns Lego bricks into a working submarine that floats and moves in the water.