U.S. Air Force Col. Clinton Ross, 633rd Air Base Wing commander, and Chief Master Sgt. Gregory Peterson, 633rd ABW command chief, learn about the prenatal and post-partum programs available at the Air Combat Command gym at Joint Base Langley-Eustis, Virginia, Nov. 25, 2019. During prenatal classes for expectant mothers, consistency is highlighted to improve fitness while maintaining a reasonable level of effort. (U.S. Air Force photo by Airman 1st Class Sarah Dowe)