Ammunition Technical Officer.

https://www.bbc.co.uk/news/uk-northern-ireland-55120210

It annoys me everytime people get that wrong.

But not half as much as it annoys ATO's in the Air Force and Navy.

And yes. We all remember the squirrel hunt.

Where I first pointed that out.

https://www.bbc.co.uk/news/uk-northern-ireland-55118100