My cousin in law put a million miles on a 2 valve Cummins driving a rural mail delivery route. He never mentioned working on the rear end, just a transmission.
It's my opinion that a significant percentage of people attending college have no business being there. Probably half of female students choose degrees that should never be funded via public money. I would guess the number would be a bit lower for male students but it's still away too high...
A true American hero. He didn't get to walk on the moon, but he lived to the ripe old age of 97. God speed, Commander!
https://www.nasa.gov/news-release/acting-nasa-administrator-reflects-on-legacy-of-astronaut-jim-lovell/
https://www.nasa.gov/former-astronaut-james-a-lovell
I've had floaters my whole life, and I've had multiple eye docs tell me to stay away from the various surgical options. Apparently they all have very high rates of complications.