"Whip" antennas—those long metal rods that used to extend from our cars—look pretty cool in a Smokey and the Bandit kind of way. But for military vehicles, they're not such a great solution. Troops in ...

A lot of chatter can go into planning a stealth military operation. Unfortunately, the radios needed for behind-the-scenes communication are often so bulky that stealthiness becomes a moot point. The ...