60 Su-25, Su-25UBs, and Su-25UTGs, which are operated by the 299th Independent Assault Regiment (299 OShAP) based at Kulbakino , Mykolaiv Oblast , and at Saki in the Crimea , and the 456th Assault Regiment (456 ShAP) at Chortkiv . Up to 30 Su-25s are reportedly stored at the 4070th Reserve