 The unit had moved to Hindon Airbase in July 1971, and was still operating Mystère IVAs.At the start of the war, the Cobras were moved to Sirsa and subsequently to Hindon/Halwara The first of the missions was undertaken on 5 December, two days after the formal declaration of war.Flying in interdiction against targets in the Christian Mandi area, the Cobras destroyed a fuel train in their first strike.