Hi all, I recently won an auction for a tall sized Alpha MA-1 - pretty rare as I cannot find these too often in my size. Glad I got it pretty cheap too! It's obviously based on the later MA-1 models, like most Alpha jackets, as it has a reversible orange liner, dark grey-ish knits and a sage green nylon shell. I'm thinking about adding a matching sage green oxygen tab to the jacket from MASH Japan -just to make it stand out a little from my other nylons, and to add a little visual interest to an otherwise plain jacket. My question is this - was there ever a period where orange lined MA-1s were fitted with oxygen tabs on the chest? I'm not too fussed about historical accuracy on a relatively inexpensive jacket, but I was intrigued to know if this was ever a thing. I'm guessing the answer is no, but I just wanted an expert to confirm... Thanks!