Wanted to know the background of this Event - IAF F16s

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In 1981, Israeli Air Force successfully sabotage the Iraqi nuclear program after commencing a successful surprise air strike on Iraqi nuclear installations at Osirak, under the codename Operation Opera. The Operation Opera played a psychological role in Pakistan as it was a success operation commenced by Israeli Air Force. The Air Intelligence picked reports about suspected activities near Indo-Pakistan border. Therefore, PAF was put on high alert and in 1983, the PAF made first contact with suspect IAF F-16s. The PAF jets intercepted the suspected F-16s and confirmed their Israeli identity. The PAF jets took aggressive measures and their tactics surprised the IAF F-16s. Panicked and surprise, the mission was cancelled and IAF F-16s were pulled off immediately.

After this incident, the Chief of Air Staff General Anwar Shamim decided to formed a unified command to protect the nuclear deterrence from outside forces. The 1980s was a decade of modernizing of Air Force and PAF inducted and introduced advanced jets in its weaponry. Since 1990s, the PAF jets are believed to have to have practiced "toss-bombing"— a method developed by United States Air Force to deliver nuclear weapons from fighter jets.


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Just wanted to know the background of this event. Recently Shahid Latif one of F16 pilot who brought F16s from US in 1983 explain the story of this event little bit in some recent current affair program.