India’s acquisition of the latest variant of US-made Apache attack helicopters is a key step towards bolstering its ability to fight on two fronts against Pakistan and China, but experts are divided on whether the ageing aircraft can remain battleworthy over the long term.On Tuesday, the Indian army took delivery of the first three AH-64E Apache helicopters, with plans to induct them into its attack aviation wing based in the state of Rajasthan. Three more units are expected to arrive by the...