BRETT VELICOVICH: ‘Mystery’ drones are no mystery, they are a dangerous threat to national security

Reports of multiple unauthorized drones over Barksdale Air Force Base and Fort McNair should alarm every American. Up until now, no threat has been identified. If this were happening overseas, we’d call it pre-operational surveillance. That’s how I was trained. At home, we’re still calling it, "mystery." It’s only a matter of time until a credible threat presents itself. What’s most alarming is that we cannot definitively answer who is flying these drones. all it’s going to take is one single drone to slip through our defenses and kill an American, to cause massive strategic damage to our country. I’ve...