I actually meant by combat experienced armed forces that includes those that are in the civilian populace. You never forget training, it has to be kept up but it’s not like starting over.
Kind of like my dad showing me how to field strip an M-1, M-14 and a .45.
I haven’t stripped down an M-1 but I think in a pinch I could still do it blindfolded. Hahahaha.
Just the point. A Special Forces A team [Operational Detatchment Alpha, or ODA] includes the light weapons specialists who'll give you the refresher training on how to use that old Garand and keep it running, at least until you can pick up something for which a former enemy has no further use...and which,thereby, you have a never-ending source of ammunition. Or, if things are slow, your SF radio team and S4 can arrange for an airdrop of all sorts of useful toys, along with chow, and a resupply for the medics' M5 medical kits.
If you can't still do it, it might be a good time to refresh your skills. One of these days, you might be the one who has to be the instructor.