<p>Both pilots were killed when an Iranian fighter plane suffered a technical fault before take-off in southwestern Iran on Tuesday, state broadcaster IRIB reported.</p>.<p>IRIB did not give the details of the F-5 plane's mishap at an air base near the city of Dezful.</p>.<p>The age of the plane was not immediately clear. Iran's air force still operates scores of planes bought from the United States before the 1979 Islamic revolution.</p>
<p>Both pilots were killed when an Iranian fighter plane suffered a technical fault before take-off in southwestern Iran on Tuesday, state broadcaster IRIB reported.</p>.<p>IRIB did not give the details of the F-5 plane's mishap at an air base near the city of Dezful.</p>.<p>The age of the plane was not immediately clear. Iran's air force still operates scores of planes bought from the United States before the 1979 Islamic revolution.</p>