couple of famous presidents. we have a hair follicle from george washington, president dwight eisenhower and president john f. kennedy are all on board that flight, as well. reporter: the rocket also has room for dna from the living like this arizona couple who say they love to take trips interstate or intergalactic. i guess it would be the ultimate road trip. this is the dna memorial kid and basically, it takes the dna and creates a powder substrate capable of intergalactic travel because you don t have heaters on board. you have to have a dna that is in a powdered form that can handle the rigors of space .