 Commercial pilots are forced to retire too by the time they're 65. And they have to do physical tests, mental tests almost annually because many lives are at stake when they're behind the, what do you call it? The wheel? What do you call it on the plane? I don't know what you call that. When you're in the cockpit. You're responsible for, they're responsible for many lives. Even in the military, generals have to retire at a certain age.