U.S. Air Force Col. Matthew C. Brown, the vice commander of the 181st Intelligence Wing, speaks with congressional staff members to U.S. Sen. Joe Donnelly during a base tour at Hulman Field Air National Guard Base, Indiana, Sept. 15, 2018. Brown indicated recruiting and retention are important to the 181st IW mission. (U.S. Air National Guard photo by Airman 1st Class Jonathan W. Padish)