FOBS - Fractional orbital Bombardment System

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Member for

16 years 4 months

Posts: 593

A couple of questions about FOBS.

1) Was it ever deployed? I think I read somewhere that the USSR did have this capability for a while. Did the USA ever?

2) Could current in service ICBM's/SLBM's be able to follow that specific flight profile without modification?

Looking forward to your collective responses.

Original post

Member for

19 years

Posts: 409

A couple of questions about FOBS.

1) Was it ever deployed? I think I read somewhere that the USSR did have this capability for a while. Did the USA ever?


It was deployed - but only as a regiment strong force, from roughly 1970 till 1983. Meaning up to 18 dedicated silos in Baikonur and other sites in the RSFSR proper were declared operational, the missiles were not declared operational till the mid 70s, and then went on alert duty.
The US never did have an operational FOBS system either - some putative Titan II variants were thought about but were eventually killed by the various arms reduction/weapons in space treaties, like the Soviet programme.
In any case, Google helps a lot ;)

2) Could current in service ICBM's/SLBM's be able to follow that specific flight profile without modification?

Officially - no. On the other hand, dynamic characteristics of the SS-18 or Trident II, for example, allow for some speculation about potential orbital injection. In any case, it would mean dramatically reducing the MIRV numbers.

Member for

16 years 4 months

Posts: 593

Thanks RSM!

greatly appreciate the help.

Cheers

Member for

18 years 4 months

Posts: 1,245

Old SS-N-23 were used to orbit satellites. Does this means that can be used as potential FOBS?

Member for

19 years

Posts: 409

Old SS-N-23 were used to orbit satellites. Does this means that can be used as potential FOBS?

Well, in theory yes (as anything that can put anything into orbit), in practice - no, as the trajectories and impulse therfore needed are not optimal/sufficient.

Member for

18 years 10 months

Posts: 237

Well, in theory yes (as anything that can put anything into orbit), in practice - no, as the trajectories and impulse therfore needed are not optimal/sufficient.

it sure could, but without guidance to release warheads in apropriate sequence and mirv didnt have separate thrust engine,but it was posible with slight 3rd stages modification,like on bulava.

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18 years 4 months

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It would be nice if the future liquid fuel ICBM will have such a capability. This in order to trash all American NMD spending.

Member for

19 years 4 months

Posts: 9,683

It would be nice if the future liquid fuel ICBM will have such a capability. This in order to trash all American NMD spending.

Wouldn't change a thing. American NMD spending isn't meant with Russia in mind. Sorry to disappoint. :rolleyes:

Member for

15 years 7 months

Posts: 385

Wouldn't change a thing. American NMD spending isn't meant with Russia in mind. Sorry to disappoint. :rolleyes:

Indeed you're correct but try telling that to the Russia fans. You will never get it into thier skulls that its not the case. Its like breaking the laws of science, it just won't happen.