The U-boat was not some near-mythical creature as it was almost portrayed by the Allied media, nor even was it a drone built to attack without consciousness. It was a weapon platform manned by people ...

The U.S. needs thousands of additional air traffic controllers, but training and certifying them can take years. NPR visits one school that's trying to get controllers on the job faster.

The U.S. is more than 3,000 certified controllers short of full staffing, and the agency's academy in Oklahoma City has limited capacity. This is where colleges and technical schools come in.