There's an anecdote I've heard from at least 2 people now about an international military exercise here in Europe where they were working with some kind of big

There's an anecdote I've heard from at least 2 people now about an international military exercise here in Europe where they were working with some kind of big artillery and lost either comms or power so their computers were offline. Everyone just shrugged and pulled out their maps and rulers while the Americans sat there completely lost and didn't shoot even once for the rest of the day. It seems insane to me to not have at least two people on each team who can do the math on paper if necessary!