Nagpur, Nov 1 (ANI): In a show of strength, the Indian air force (IAF) personnel put up an impressive air show on Thursday by advanced light helicopters in western Nagpur city as part of the 81st anniversary celebration of the IAF. The Indian Air force personnel carried out sequences of maneuvers and different formations with criss-cross flying, sending the crowd cheering. Earlier on Saturday the Indian Air Force's (IAF's) latest strategic transport aircraft, the C-17 Globemaster, undertook its first sortie towards transporting of relief materials, including specialist army vehicles and ambulance from bases in central India to Bhubaneswar, ahead of the arrival of Cyclone Phailin which struck the east coast of the country.