our chief national security correspondent jim sciutto gaped rare access to classified u.s. military command and operations centers. he investigates the new weapons built to disable or destroy u.s. satellites in ha cnn special report that airs later tonight "war in space." >> reporter: this is the nightmare scenario -- chaos on earth as our adversaries disable and destroy our satellites in space. the first shots in the first space war. >> explosions in space that no one will hear. >> reporter: peter singing wrote about this dire scenario in his book "ghost fleet" and he now advises the department on just this type of threat. >> you are now in world war iii so besides losing your ability to take out money from an atm, your nation is in world war iii. >> reporter: this is not