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chuck4 said:1. It take up to twice as much kenetic energy to send something into low earth orbit as it does to send the same thing into a intercontinental ballistic trajectory with range of 6000 or 9000kms.
2. Becuase lower energy of ballistic trajectory, throw weight of a ballistic missile on intercontinental ballistic trajectory is typically much higher than the weight the same missile booster can put into low earth orbit. Some intermediate range Missiles can have impressive throw weights without the energy to put any payload at all into orbit.
3. To convert typical missile into satellite launcher usually requires very substantial alterations like adding a additional upper stage, and/or auxiliary boosters to handle the added weight during liftoff. A typical ballistic missile thus converted probably won't fit back into the same silo.
4. Unlike most solid fueled missiles the SS-18 can put a large payload into orbit without major modifications like adding an additional stage or putting on strapon boosters. It can in theory come straight out of its silo and send a satellite, or a FOBS bus, into orbit.
5. Tell me, when your favorite hawkish commentator say Iran is a quarter turn of screw driver away from nuclear weapons, do you think they meant some mullah has a literal screw driver in a slot, and is flexing his weists to make that quarter turn? Or do you take that to mean they are merely closer to it then is comfortable?
zzzzzzzzzzzzzzzzzzzzzz. The SS-18 wasn't and isn't a FOBS missile - ever. Get over it.