I have no official citation for this, but it was my understanding that troop tactics that are very clearly the same type of unit as specified in a museum bonus receive the bonus. E.g., heavy infantry, commandos, bombers, artillery, etc. Troop tactics with no barracks/factory analogue would not, e.g., elephant archers, Spy, helicopter dropping humvees, etc.
If someone else has official quotes contradicting this, believe them and not me.