I said 'internal fuel - ie without a bob tank. Merlin goes longer and further - oh and can put a bob tank in. CH47 goes further if you really want by putting two bobs in, which Merlin can't do. But then you're not
10200KG of gas.Merlins, see you in the eastern med? No?
Not according to the troops I carried. Also you seem to sidestep the point about a smooth ride being good for casevac -
Assuming the casualty is carrying crampons for the ramp, and as long as the taliban pick their noses whilst you carry out the longest dust landing approach known to modern civilisation.