U.S. Air Force Capt. Jenny Howell, 633rd Inpatient Squadron clinical nurse, administers vitamin D to Ketrell Long, son of Virginia Army National Guard Private First Class Kiera Long, 429th Golf Company, during a routine check-up at Langley Air Force Base, Va., June 27, 2016. The labor and delivery unit provides mothers with weekly birthing classes and a lactation specialist to instruct proper breastfeeding methods. (U.S. Air Force photo by Airman 1st Class Kaylee Dubois)