55 B-21s out of 100 would be most of the operational frontloaded B-21s that the US has available. The rest of the 40-45 B-21s in the fleet would be at CONTUS, not ready.
A 55-60% availability rate seems fairly reasonable to me for a mature B-21 in 2037.
As for JASSM-XR, if you want to change it to JASSM-ER (1000km range, entailing an additional 2000km of total transit distance and time) is fine as well. Either way, I'd be seeing 8-10 stealthy standoff ranged ALCMs internally per B-21 for this mission.
The US isn't going to handicap itself deploying only 4 missiles per B-21 and carried externally, and would be actively either pursuing a more sensible weapons loadout or intending for its under development weapons (like a conventional LRSO variant) that could enable a reasonable magazine size.
Redeploying carriers from the atlantic to pacific will of course be a logistical challenge and take a bit of time, sure.
Between now and 2037, I expect the US to make the logistical and support changes to enable repositioning US atlantic carriers to the pacific if needed.
I'm not saying the US will necessarily deploy all of its global carriers to the pacific at once -- rather that during FPO the US will surge deploy its pacific carriers to the westpac theater while simultaneously working up its atlantic carriers to be redeployed to the pacific at the same time.
I would envision the US would have its atlantic CSGs ready for operations in the pacific after the FPO.
That means the PLA probably has the luxury of not having to face all of the US' operational globally available CSGs during the FPO... but during the FPO the PLA will still have to face US westpac CSGs, and after the FPO the PLA will have to face what remains of US westpac CSGs + US redeployed atlantic CSGs.
@tphuang
With 8 CSGs in total, of which 5-6 CSGs operational, the only way I would support sending 2 CSGs to Kiribati for the mission you describe, is if the 2 CSGs can successfully complete their mission while not being destroyed at the end of the FPO --- and ultimately if the PLA's total remaining surviving and operational CSGs at the end of the FPO is at equal (ideally greater) than the US's total remaining surviving and operational CSGs at the end of the FPO.
I see the remaining/surviving/operational CSG count to be the most decisive factor in the conflict after the FPO, where whether the side with more CSGs will have a greater likelihood of successfully achieving their operation (whether it's offensive or defensive operations as it may be).
Surviving land based air and missile power and positioning at the end of the FPO of course is also important -- and in theory if one has less CSGs but is able to more comprehensively defeat the enemy's land based air and missile forces, that could potentially be a favourable exchange. However I also think surviving CSGs at the end of the FPO is probably a good indirect measure of how successful the overall conflict in the FPO had been waged for them.
... That is to say, I think with 8 CSGs, it would be far more sensible to concentrate all of the operational 5-6 CSGs in the westpac theater of operations to be able to more robustly finish the FPO in the westpac and enjoy the cover and support of land based air power and missile forces, to allow more of the 5-6 CSGs to survive to the end of the FPO.
A 55-60% availability rate seems fairly reasonable to me for a mature B-21 in 2037.
As for JASSM-XR, if you want to change it to JASSM-ER (1000km range, entailing an additional 2000km of total transit distance and time) is fine as well. Either way, I'd be seeing 8-10 stealthy standoff ranged ALCMs internally per B-21 for this mission.
The US isn't going to handicap itself deploying only 4 missiles per B-21 and carried externally, and would be actively either pursuing a more sensible weapons loadout or intending for its under development weapons (like a conventional LRSO variant) that could enable a reasonable magazine size.
Redeploying carriers from the atlantic to pacific will of course be a logistical challenge and take a bit of time, sure.
Between now and 2037, I expect the US to make the logistical and support changes to enable repositioning US atlantic carriers to the pacific if needed.
I'm not saying the US will necessarily deploy all of its global carriers to the pacific at once -- rather that during FPO the US will surge deploy its pacific carriers to the westpac theater while simultaneously working up its atlantic carriers to be redeployed to the pacific at the same time.
I would envision the US would have its atlantic CSGs ready for operations in the pacific after the FPO.
That means the PLA probably has the luxury of not having to face all of the US' operational globally available CSGs during the FPO... but during the FPO the PLA will still have to face US westpac CSGs, and after the FPO the PLA will have to face what remains of US westpac CSGs + US redeployed atlantic CSGs.
@tphuang
With 8 CSGs in total, of which 5-6 CSGs operational, the only way I would support sending 2 CSGs to Kiribati for the mission you describe, is if the 2 CSGs can successfully complete their mission while not being destroyed at the end of the FPO --- and ultimately if the PLA's total remaining surviving and operational CSGs at the end of the FPO is at equal (ideally greater) than the US's total remaining surviving and operational CSGs at the end of the FPO.
I see the remaining/surviving/operational CSG count to be the most decisive factor in the conflict after the FPO, where whether the side with more CSGs will have a greater likelihood of successfully achieving their operation (whether it's offensive or defensive operations as it may be).
Surviving land based air and missile power and positioning at the end of the FPO of course is also important -- and in theory if one has less CSGs but is able to more comprehensively defeat the enemy's land based air and missile forces, that could potentially be a favourable exchange. However I also think surviving CSGs at the end of the FPO is probably a good indirect measure of how successful the overall conflict in the FPO had been waged for them.
... That is to say, I think with 8 CSGs, it would be far more sensible to concentrate all of the operational 5-6 CSGs in the westpac theater of operations to be able to more robustly finish the FPO in the westpac and enjoy the cover and support of land based air power and missile forces, to allow more of the 5-6 CSGs to survive to the end of the FPO.
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