Id pick the FNP45. 45acp, 15+1 cap, ambi slide stop/release, ambi mag release, ambi safety/decocker, can be carried cocked and locked. And for the socom high speed low drag guys, they can get the tactical model. Threaded barrel, and a removable plate to add red dot sights.
A Belgian company, but made in the US.
"The Marines I have seen around the world have, the cleanest bodies, the filthiest minds, the highest morale, and the lowest morals of any group of animals I have ever seen. Thank God for the United States Marine Corps." Eleanor Roosevelt, 1945