Parent University
DYESS AIR FORCE BASE, Texas -- Two sets of pig lungs are inflated by Brenda Barrier (left) and Mindy Murray at the Hangar Center during the Parenting University April 17. The lungs were used to simulate the difference between a non-smoker (left) and a lung of a person that smokes. (U.S. Air Force Photo by Airman 1st Class Micheal Breaux)