Technical Sgt. Christopher Sandoval, 779th Medical Operations Squadron dermatology clinic NCO in charge, demonstrates how to change a diaper on a baby doll while Tech. Sgt. Roland Kearney Jr., Pentagon data base manager and administrator, observes as part of the Dads 101 class held at Malcolm Grow Medical Center May 26. The Dads 101 class is designed to teach a father, or soon-to-be-father, how to properly take care of their new born child. (U.S. Air Force photo/ Senior Airman Giang Nguyen)