It'd be great if we could go back to the 1911 with some modern improvements. Special operators who would likely rely on their handguns while in service ought to be allowed to pick their own (I understand that the Sig 226 is a coveted handgun for performance).
An American company could produce it. The .45 ACP is a good performer in ball. I don't see the downside.
There's always someone...
Heck, why not use a .357 magnum revolver? lol
I love the design but it's just no longer competitive in weight or capacity, and is much too complex and unreliable compared to the competition, plain and simple. A pound or two heavier may not seem like a big deal, and 8 shots versus 17 may not seem like a big deal, but trust me they are.
Finally, anyone truly honest about the 1911 platform will admit that most 1911s need some tuning to make run reliably.
We need a BIG step forward, not a step back a century...
You are correct that the SOF community gets to choose often their sidearm. Operators IME tend to go Sig, HK, or Glock or 1911. In my Group there were primarily Glocks and 1911s. I actually handled a very low serial number 1911 that the Operator insisted he researched and it dated back to WWII, and that it had never been issued but had been located in some warehouse and issued to him. Dunno if that's true...
As for the 9mm FMJ and M9. Lackluster in my experience and view. They *can* work. I dated a woman who was a medic and got a purple heart and CAB. She was treating some Iraqi enemy combatants and one of them attacked her with a knife and she was stabbed, and she drew her M9 and put him down on the spot.
The .45 and 10mm are simply out of the question for general use IME. Too big, too expensive, and too much for the average Soldier to handle. Understand we have a growing female and effeminate military force with perhaps a 1/3rd of Soldiers being small and relatively physically weak individuals, and probably 2/3rds of all troops having from zero to minimal experience or interest in guns or shooting sports.
So the 9mm and M9 can work - it's just far from the best on many levels in my view. It's one of those things in life that you can see the obvious answer but politicians and generals cannot or refuse to.