They do have those. There are kill switches for every US-owner satellites. Also, there are Special over-ride switches which kill or stun the BiOS so that even Jesus couldn't wake them from the dead. Those are last-resort capabilities in case a hostile organization takes control. Remember, if you have full control you can not only control the downlinks, but de-orbit the bird so it burns up in the atmosphere. Scuttlebutt has it that even foreign owned satellites can be controlled by us.
which brings up the telephone system sold to Poland's government and military back during the cold war. We got the western European company to put chips in the system so we could kill the phone system if WW III with the Soviets ever broke out.
They do have those. There are kill switches for every US-owner satellites. Also, there are Special over-ride switches which kill or stun the BiOS so that even Jesus couldn't wake them from the dead. Those are last-resort capabilities in case a hostile organization takes control. Remember, if you have full control you can not only control the downlinks, but de-orbit the bird so it burns up in the atmosphere. Scuttlebutt has it that even foreign owned satellites can be controlled by us.
which brings up the telephone system sold to Poland's government and military back during the cold war. We got the western European company to put chips in the system so we could kill the phone system if WW III with the Soviets ever broke out.