The downing of a high-value Pakistani aircraft at unprecedented range highlights the S-400’s reach and signals a shift in the subcontinent’s air battle dynamics.

We have at least five fighters confirmed killed and 1 large aircraft, which could be either ELINT aircraft or an AEW&C aircraft, which was taken out at a distance of about 300 kilometres. India shot down five Pakistani fighter jets and one other military aircraft during clashes in May,