I'd love to believe Dan is cash poor and miserable for it...but, dude just bought a $48 million house like 3 months ago:
https://alexandrialivingmagazine.com/home-and-garden/washington-commanders-owner-dan-snyder-buys-60-million-alexa/
I'm sure he's doing just fine.
I think TH sticks because he's the backup QB you keep on the active gameday roster, in case he has to immediately step in and take snaps. Thats obviously not a spot you really want your 5th rd. QB stepping into.
Howell would be the guy you maybe give the start with a week to prepare or coming out of a bye.
That said...god willing, Wentz stays healthy and we don't see either of these guys outside of preseason.
Exactly right, they flew a variety of airframes including P-40s, P-39s, P-47s, and as you point out P-51s.
I think they're most well know for P-51s, but probably because that's what they are always depicted as flying in movies.