I think it was the US Marine Corps who issued and reissued M1911 frames printed for WW2 until the pistol was finally phased out of all units in the 1990s / 2000

I think it was the US Marine Corps who issued and reissued M1911 frames printed for WW2 until the pistol was finally phased out of all units in the 1990s / 2000s. You could have had 3 generations of Marines using the exact same weapon. Unlikely of course, but not technically impossible.