I’m guessing the GO button is under the flap on the panel with nothing else around it? The switch or keyhole next to it is the ARM switch? My Russion Missile knowledge comes from Spys Like Us, and I’d be Chevy Chase with the rock. I don’t doubt that someone could learn to select a target from the screen and fire in a 10 minute session. Knowing what to shoot at would be harder. The kind of scenario where an airline gets shot down.
You got it without any training at all. Now we can call it a user-friendly interface. Microsoft should take notes.