S88-44514 (13 Aug 1988) --- Student experimenter John C. Vellinger, left, explains components of an incubator used in his experiment to be carried onboard the Discovery for NASA's STS-29 mission next year. Mark S. Deusser, representing the sponsoring organization, holds up the incubator for inspection by members of the STS-29 crew who will monitor in-space operation of the experiment, titled "Chicken Embryo Development in Space." Astronaut Robert C. Springer is partially visible in lower right foreground. The student's sponsor is Kentucky Fried Chicken.