wowa into that helicopter too there s something magic about a chocolate bar come floating out of the sky. reporter: on this day, he s dropping candy to children thrilled in utah. they run just as hard now as they did in 1948. reporter: but hal halvorsen has seen this before. after the war, tensions with russia were increasing. in 1948, the soviets cut off food and supplies to west berlin. so, the u.s. and its allies began air drops to a starving city. i was born in berlin. berlin got hit very hard. it s horrifying to a child. and i get too emotional. reporter: back then, she was just one of the children halvorsen was inspired by to do something. i thought, well, gosh, i get a chocolate ration. i can share it. reporter: so, he began dropping his candy from parachutes, wiggling the wings of the plane to signal to the children in west berlin a candy