what an incredible week, shock, horror, tears, inspiration. a relatively unknown congresswoman from arizona has become part of our national family and now we're beginning to learn more about her husband, captain mark kelly. >> captain kelly was in houston when he learned about the shooting. where he works as an astronaut. he and his twin brother scott are the only siblings to have birn in space. before that, mark kelly was a navy fighter pilot, he flew 39 combat missions in the gulf war. >> gabrielle and mark give new meaning to the term power couple. the only member of congress whose spouse is on active service. they met in china. it wasn't until she was running for congress that mark began to show up at her rallies like the one in tucson. she cam to one of his shuttle launches. after that it was liftoff. at the wedding, mark's shuttle crew formed the arch of cross sabers. >> no wonder one of giffords