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It's definitely possible but you have to sail them there in the first place and they're more vulnerable to attack from that countries ASW defences, especially if they have a good sonar network. And you're sacrificing strategic range to use a depressed trajectory. Assuming vessels aren't going to be attacked until they fire, you could park an Iowa-class battleship loaded with 20kT shells off the coast. It's not the same capability though. And if you want to talk about pre-positioning then compare with disguised FOBS buses that've been placed there by a non-descript civil LV. We're assuming stealth buses don't exist at this point.A rocket is a rocket, it will travel on whatever trajectory you send it. You can use a HGV's control surface to manoeuvre downwards. So your bus is in orbit pointing downwards at 150km altitude, to mimic gravity over 50km the axial thruster on the RV only has to provide the equivalent or 1g for 100s, or 10g for 10s and then uses DACT to provide orientation. Once in the atmosphere the control surfaces direct the tangential component of the velocity downwards. We only need be talking about a TSV here, not a full-on HGV. And you can depart that warhead as early or late as you like.
It's definitely possible but you have to sail them there in the first place and they're more vulnerable to attack from that countries ASW defences, especially if they have a good sonar network. And you're sacrificing strategic range to use a depressed trajectory. Assuming vessels aren't going to be attacked until they fire, you could park an Iowa-class battleship loaded with 20kT shells off the coast. It's not the same capability though. And if you want to talk about pre-positioning then compare with disguised FOBS buses that've been placed there by a non-descript civil LV. We're assuming stealth buses don't exist at this point.
A rocket is a rocket, it will travel on whatever trajectory you send it. You can use a HGV's control surface to manoeuvre downwards. So your bus is in orbit pointing downwards at 150km altitude, to mimic gravity over 50km the axial thruster on the RV only has to provide the equivalent or 1g for 100s, or 10g for 10s and then uses DACT to provide orientation. Once in the atmosphere the control surfaces direct the tangential component of the velocity downwards. We only need be talking about a TSV here, not a full-on HGV. And you can depart that warhead as early or late as you like.
