Shows the outside of Navy buildings in Maryland and a miniature scale model of a military ship. A group of men are seen testing various airplane models. Inside, a man operates a machine that cuts a dowel in order to build a model. A large warehouse shows ships being worked on and a man calibrates a measuring device. Men place a ship model in the water and it sails. A man operates a control panel while a device monitors the ship’s movement. A large battleship model is then placed in the water. Actual war ships and planes are then seen flying above and sailing on the ocean.

Not Explicit