Yes, Virginia, There are Gun Scopes that Aim Themselves

How you decide to use this technology in your stories is up to you, but gun scopes that aim themselves are real and they're on the consumer market. Not only that, but they can sync up with a pair of Android-enabled goggles looking the other way. Which means, "OK, Google, take out the sentry at the guard post, then tell Chipotle to make my burrito for pick up," isn't that far off in the future.

The accuracy rate still isn't 100 percent, but it's better than half. The manufacturer is only set up for a handful of rifles, but a little creative license should allow you to stick this tech onto whatever tank-tipper you feel like lighting up. In your stories, of course.