at malmstrom air force base in montana, three missileers are under investigation for drug possession,1 have been implicated in a scandal involving cheating on routine tests. >> jack weinstein: i am flying back. >> stahl: major general jack weinstein took control of all three nuclear bases in december, with a mandate to find out what ails the missile corps and fix it. let me ask you a question-- whether there's, i guess you'd call it an identity crisis with the mission as a whole. you have these nuclear weapons that no one believes we'll ever use, so do you find that that's an issue-- the question of "what's the mission?" >> weinstein: no, because we use these weapons every single day protecting our nation. deterrence has a value. it has a value for our nation; it has a value for our allies. >> stahl: general weinstein commands a force of 9,600, including maintenance technicians who keep the missiles in working order, security forces that guard the weapons and provide a heavily armed escort any time the warheads are being moved, and about 500 missileers who man 45 control centers aroun