back in 56 she took a job with theavy at a laboratory and base. she didn't know where she was going. she didn't know anything about the navy. she thought she was going to be aer all her life. all of a sudden, she takes this yhe job andecomes one of the people who did the math to come up with the gps program and not just gps. she did's lot of math for t navy. she is one of the hidden figures that people don't even realize. when she went there, there were only two other blacks employed there at that base. she just came in there and she just went ahead. she had a lot of confidence and a lot of strength. i think that's something that women of color have h always. her mother had it, but her mother didn't have the formal education. >> and you mentioned just a few african-americans there. one of them was her husband. >> ira. >> he became her husband. >> he's another great person. he was a mathemetician also, but we're doing this on women of color. >> as a matter of fact, we have documentaryyour let's take a listen. >> during my time i never thought in te

. >> reporter: this is monstrous the theavy duty chevy silverado how this pickup is, towing capacity,5,500 pounds. that's four times the weight of this pickup truck. it is geared towards contractors, business owners, who are really going to put this through the paces and people who own ranches. they drive this kind of a truck. the full sized pickup truck market, one of the few areas that's growing in the u.s. and if you look at sales overall, yes, the f series is the biggest brand, but chevrolet, general motors say the silverado, we build more pickup trucks than anyone else. general motors reports earnings before the bell and do not want to miss our first interview with cfod cfo dhivya it is estimated that the average is $15,000 per vehicle that's how much money is made by the big three when it comes to these type of trucks crucial for general motors and really, for ford as well as fiat chrysler they are trying to meet the needs out there. >> it's all pickups and suv. while you're out there, with chevy, can you tell them enough with the ads the chevy guy. you know what i'm talking abo