Lt. Col. Ian Erskine, the 509th Medical Support Squadron commander, briefs Tricare network providers Oct. 19, 2018 at Whiteman Air Force Base, Missouri. Regional providers, including those from Warrensburg, Knob Noster and Sedalia, Missouri, came to the installation to learn the mission, see how their services support it and get up close with a B-2. (U.S. Air Force photo by Staff Sgt. Joel Pfiester)