Testing Shuttle Boosters News Today

Was 21. >> reporter: charlie pierce, he started here in 1975. >> nozzles that way. its working into the -- the motor. >> reporter: these men build motors, one of a kind motors, called solid rocket boosters. the ones that have propelled the 130 shuttles into space. but it is almost over. as it drives through the falling snow, the transporter looks like something out of "star wars." its carrying one of the last massive booster segments to a railroad 20 miles away. from there, its shipped to the ke...