a group of su-25 `grach` attack aircraft smoke the colors of the russian flag in the sky over red square during the victory in the

2021 aerobatic aerobatics air aircraft airplane anniversary armed armored attack aviation celebration city clouds color colors day demonstration equipment event flag flight fly flying force forces frogfoot grach gratch great group holiday military moscow parade patriotic plane red russia russiamay russian single sky smoke smokes soviet square su25 subsonic sukhoi tricolor troops victory war weapons wings