Their advance staging airfields east of Nepal will be taken out within 24 hours of action. Most of their important bases are within the blue sectors.
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Without mid-point supply air-fields between Aksai chin and Lhasa, and between Lhasa to Chengu, it just increases the flight duration for their assets. They'll need to have refuellers up on the air 24/7, ripe targets flying low enough behind the peaks, wasting more and more fuel. They could fly more North, but if Hotan gets taken out, they have no dice. Again they'll be wasting more fuel. So just because they have more fighters, doesn't mean they can bring all their toys to play over Tibet if we decided to retake Aksai chin and Shaksgam valley. They can have the most advanced fuking jets, but if you can't land, you're just stuck firing from a stand-off range.