Thank you for the welcome! From the little information I was luckily able to gather, the IMC did not merge with the NMC. They merged with the Cape Corps in 1942, if I recall correctly. My primary question remains on what the IMC would have worn on the side of their slouch hat. I've seen a picture of the Cape Corps from 1942 with their regimental pith flash on the side of the slouch. The NMC either has nothing on their slouch, only their badge, or a brown square with their badge mounted on it. Would the IMC have their regimental pith flash on the side, only their badge, or both?