20 minutes agoBy Nick Thorpe, Central Europe correspondentBBCMihai Kogalniceanu (MK) is turning into the biggest Nato airbase in EuropeSix RAF Eurofighter Typhoons sit on the taxiway, engines roaring on two, as the ground staff hurry about, adding the finishing touches before take-off.In the distance, a cloud of dust rises in the summer haze over the construction site of the second runway, 3.5km (2 miles) long, beside the first. The hot northerly wind buffets the new hangars and the old.Mihai Kogalniceanu (MK) airbase takes its name from the village nearby, itself named after a 19th…