powered mankind on every journey that ever mattered. i don't want to be disapparentlying here but i have to remind you we're sitting in a garage in colorado. and this is your operation. >> yeah. >> reporter: it's hard for me to knowledge that you're going to go from here to some day building a rocketship to the moon that takes us into the galaxy. >> sure. >> reporter: but you believe that. >> absolutely. >> reporter: barry petersen, cbs news, boulder, colorado. >> jiang: a lot of dreams are built in garages. next on the "cbs weekend news," an extraordinary save by a crossing guard in maryland, all captured on video.