re: Marine Corps Officer Candidate School

If you have that itch (and are not giving up a mid 6 figure job), go for it. Being prior-enlisted, you already know the drill. In my 40s, I was in better shape than any 18 year old, so I wouldn't worry about the physical part, you already know if you can do it.

If married with kids, make sure your wife can handle the separation and you being in harm's way, I've seen some good airman and soldiers derailed by spouses that couldn't handle the military way of life.