How to quickly identify who carries which weapon?

I have an under-armed vault. That is, I only have 3 or 4 weapons in a vault with almost 30 dwellers. When there's an invasion, I often have to quickly scramble a defense squad but I cannot tell who's got the big guns.
How can I quickly tell who's got which weapon?
Does the game provide an interface that let's you find that out quickly? If not, what would be a useful way for me to keep track of who's carrying which gun?
Best Answer
Since the update awhile ago, this has actually become quite simple. When selecting a weapon for a dweller, the default list has the leftmost column labeled "Inventory", and shows all unequipped weapons. If you tap that, it will change to "Equipped", showing all weapons currently equipped along with who carries them. Tapping again gets you "All", which contains all equipped and unequipped weapons.
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