How one weapon, the american made stinger missile helped chase russians out of afghanistan. i vividly remember the stinger missile. reporter: how so? i saw what it did to the russian helicopter, probably see half a dozen with my own naked eyes get shot from the sky. reporter: now he wants to see russian tanks destroyed by his switchblade drones. a capability that you cannot hear, you cannot see, you cannot tell where it came from, and boom, all of a sudden it hits you. just creates havoc in your mind. oh my god, what is this. reporter: david martin, cbs news, the pentagon. duncan: well, still ahead on the cbs weekend news, afghan refugees honoring old traditions and their new home. aditions and their new home. wealth is shg down the office for mike s retirement party. worth is giving the employee who spent half his life with you, the party of a lifetime. wealth is watching your business grow. worth is watching your employees grow with it.