More than 100 Airmen attended a Dec. 1, 2011, ceremony re-designating the 15th Munitions Squadron as the 90th Munitions Squadron at F. E. Warren Air Force Base, Wyo.The 15th MUNS, activated Aug. 4, 2009, has been a tenant unit of the 90th Missile Wing since its activation."The 90th MUNS has been a