Though I have seen a handful of S.A.M.S. members wearing military insignia on the opposite side of their glengarrys, and one who wears his old airborne beret w/ unit crest in lieu of a balmoral; I have a couple of balmorals (one bottle green, & one black) & I do not wear any insignia upon either, other than my clan badge, or in the case of my O'More bonnet (the bottle green one) a very small County Antrim pin next to my clan badge.

I have however worn my old unit crest badge upon my clan ballcap (along with a handful of other, non-military, pins).