A member of the Mercy Air flight crew speaks to Airmen on the helipad at the Mike O’Callaghan Military Medical Center, Nellis Air Force Base, Nev., March 13, 2019. Mercy Air is owned and operated by Air Methods Corporation, a provider of air medical transport and experienced air medical operators. (U.S. Air Force photo by Airman 1st Cass Bailee A. Darbasie)