Shortly before the outbreak of hostilities in 1965, Flight Lieutenant Chopra was sent on technical detachment to 8 Squadron based at Adampur. During the war he was a member of the Black Formation . Its members were Madhukar Mickey Jatar, Vinod Jimmy Bhatia and Vinod Pat Patney. Flight Lieutenant Chopra flew a total of 23 operational sorties during the war. All four members of the formation received Vir Chakras for their efforts during the 1965 war.
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| Flt Lt PC Chopra with an Ouragon at Ambala | Air Marshal Arjan Singh during a visit. | |
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| Sqn Ldr PC Chopra getting into a Mystere Cockpit. | At the investiture ceremony where the Vir Chakra was awarded by the President S Radhakrishnan | Another photo with the President at the get-together after the ceremony. |
