Ah,seen this video a lot of times,this was the third attack on the Tezgaon airfield,the Su-7 being shot down by AAA was piloted by Sqn.Ldr S,V,Bhutani,the leader of the formation,he was taken POW and was liberated on 16th Dec by 1st Paras entering Dhaka.See those su-7s & MiG-21s flying so low...