United States Navy reveals 200,000-watt radio transmitter located in the Cascade Mountains

Title "For the Navy - World's Most Powerful Radio Transmitter" superimposed over US Navy ships at dock / aerial: radio station pan to row of tower antennas across mountain range / VS antenna tower / radio operator sailor at teletype machine / Brigadier General David Sarnoff, Chairman of the Board of the Radio Corporation of America, following Admiral Robert Carney, US Chief of Naval Operations, entering transmitter station filled with audience who applaud them / CU Carney dictates message to Sarnoff at telegraph key / CU hand on key / sailor puts pins in world map / antenna tower // aircraft carrier USS Antietam at sea, plane lands / radio operator / officers on the bridge // radio room on submarine / radio operator hands message to camera / sailor gives message to a ship captain on the bridge who signs for it // "Radio Jim Creek" station pan antenna towers across mountain range / Note: exact day not known