April 2, 2024 90 MXG completes ICU II Mighty Ninety Airmen recently completed an extended effort to shift the annual nuclear code change operation from a manual endeavor to a remote process with the new ICBM Cryptographic Upgrade (ICU II) program.
Nov. 7, 2022 Missile Wings conduct remote code change with ICU II The 90th, 91st and 341st Missile Wings have begun the process of converting their missile alert and launch facilities to ICU II, a system that allows for a remote code change - and will save the Air Force millions in resources and labor hours.