Feds warn UFO enthusiasts against storming Area 51: The military 'stands ready'
8:05am PDT - July 15th, 2019 area 51 event - CNNOver one million people have signed up to a joke Facebook event, calling on users to meet at Area 51, the US Air Force base in Nevada that's long been a source of alien conspiracy theories, in September. So what happens if they actually show up?