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Indian Air Force's (IAF) Sarang helicopters perform during the 87th Indian Air Force Day celebrations at Hindon Airbase in Ghaziabad, India, Oct. 8, 2019. (photo by Partha Sarkar/Xinhua)
Indian Air Force's (IAF) Sarang helicopters perform during the 87th Indian Air Force Day celebrations at Hindon Airbase in Ghaziabad, India, Oct. 8, 2019. (photo by Partha Sarkar/Xinhua)