F.E. Warren gets first look at Grey Wolf Published Oct. 26, 2021 By 90th Missile Wing Public Affairs 90th Missile Wing Public Affairs F.E. WARREN AIR FORCE BASE, Wyo. -- The MH-139A Grey Wolf helicopter flies over F. E. Warren Air Force Base, October 22, 2021. The Grey Wolf will replace the UH-1N Huey, overcoming current limits in speed, range, endurance, payload and survivability, to support Air Force nuclear enterprise modernization. (U.S. Air Force photo by Airman 1st Class Darius Frazier)