Chief Steagall's farewell message Published Aug. 11, 2017 By Airman 1st Class Breanna Carter 90th Missile Wing Public F.E. WARREN AIR FORCE BASE, Wyo. -- Chief Master Sgt. Jeffery Steagall, 90th Missile Wing command chief, is retiring after 27 years of service in the U.S. Air Force. He left the Mighty Ninety with a few words as he reflected on his time here at F.E Warren.