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Hal was born to Arthur and Mayme (Hendrickson) Seppala in Chicago in 1936. The family moved to Chassell where Hal graduated in 1954. He attended Michigan Tech graduating in 1959 as a chemical engineer ...

Speaking at Aero India in Bengaluru, the IAF chief said he was "just not confident" in state-owned Hindustan Aeronautics Limited's (HAL's) ability to meet the timelines and called it a "very wrong ...