Interesting photo for a couple of reasons, not related to Enfields either! Notice how some of the older ones have war medals while the younger ones don't. And the Battledress (BD's) jackets (or blouses). Some are the old wartime closed neck types left open with a shirt and tie underneath while one lone Marine has his wartime BD jacket closed up to the top while others, like the Warrant Officer, front row, holding rifle have the 'made-to-be-open' topped BD jackets.

In fact, these little foul-weather sheds are still there, at the rear of the century range