Chief of the Air Staff, Air Chief Marshal Amar Preet Singh is expected to fly the last sortie of the MiG-21 Bison fighter aircraft when it culminates its 62-year journey with the Indian Air Force on September 26.

Announcing this during the full-dress rehearsal at the Air Force Station, Chandigarh, on Wednesday, IAF officials said the ceremony will be presided over by Defence Minister Rajnath Singh.

Chief of the Defence Staff, Gen Anil Chauhan, Chief of the Army Staff, Gen Upendra Dwivedi, Chief of the Naval Staff, Admiral Dinesh Tripathi, Air Officers Commanding-in Chief of all IAF commands and other senior military officials are expected to be present.

In addition, six former IAF chiefs -- Air Chief Marshal Anil Yashwant Tipnis, Air Chief Marshal Srinivasapuram Krishnaswamy, Air Chief

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