a group of multi-purpose mi-8amtsh helicopters in the sky over moscow`s red square during the victory air parade

171 2021 aerobatic air aircraft airshow amphibious amtsh armed assault aviation combat day equipment federation flight flying force forces group helicopter helicopters holiday may mi8 mi8amtsh miles military modern moscow moscows multi multipurpose number onboard parade purpose red russia russiamay russian serial show sky soviet square transport unit victory