AdvertisementReport: U.S. Nuclear System Relies On Outdated Technology Such As Floppy DisksMay 26, 2016Merrit KennedyfacebookEmailMembers of the 320th Missile Squadron missile combat crew work through a scenario in the 90th Operations Support Squadron's Missile Procedure Trainer on F.E. Warren Air Force Base, Wyo., in June 2014. The MPT is a simulator that allows missile crews to practice contingencies they might face while on alert. (U.S. Air Force)