multi-purpose alh helicopter of the indian air force sarang aerobatic team in the sky of the maks-2021 international aviation and

2021 2021multipurpose aerobatic aerobatics air airfield airport alh aviation bangalore base blade cloud cloudy day demonstration dhruv display flight force group hal helicopter higher india indian industry international july maks maks2021 max2021 military moscow multipurpose peacock performance propeller region rescue russia salon sarang search show sky space team zhukovsky