Air Vice Marshal (Retd) Rakesh Yadav , an alumnus of 1970 batch of Aeronautical , was commissioned in IAF in Jul 71 in Aeronautical Engineering (Mechanical) branch .He was allocated Russian fighters stream and over years became one of most experienced officer of MiG 21 fleet. Commencing from Engineering Officer of 4 Sqn , he was part of Foxbat 3 Mach MiG 25 induction team .