90 MSG takes the readiness challenge Published Aug. 30, 2021 By Airman 1st Class Faith Iris MacIlvaine 90th Missile Wing Public Affairs F.E. WARREN AIR FORCE BASE, Wyo. -- A Mission Support Group Airman completes an exercise during the readiness challenge at F.E. Warren Air Force Base, Wyoming, August 19, 2021. The Readiness Challenge is a training tool for 90th Mission Support Group Airmen to practice deployment-related skills through team-building exercises. (U.S. Air Force photo by Airman 1st Class Faith Iris MacIlvaine)