talk about it now. dan, thank you for joining me. >> my pleasure. thanks. abby: sign up right now and you get to see it all, including george welch, the forgotten american hero. and this -- >> everyone's eyes has looked up at the moon, doctor warner von braun, genius rocket engineer, worked for nazi germany during the war and von braun took all his blueprints in the work to the u.s. government and their missile program. the united states comes out as a leading superpower out of world war ii. >> the scientific achievement by soviet russia has all of humanity during having me. >> there's a space cap releasing. >> i believe the commission should commit itself of landing a man on the moon and returning him safely to the earth. >> the ultimate trophy is who to the moon first. kennedy told nasa i don't know how you know to the moon but i pledged were going so figure it out. it's a key effort.