The Sukhoi Su-30 (NATO reporting name "Flanker-C") is an agile military aircraft developed by Russia's Sukhoi Aviation Corporation and introduced into operational service in 1996. It is an air superiority fighter that can also perform ground strikes. The aircraft is a modernized version of the Su-27UB and has several variants. The Su-30K and Su-30MK series have had commercial success. The variants are manufactured by competing organizations: KNAAPO and the IRKUT Corporation, both of which come under the Sukhoi group's umbrella. KNAAPO manufactures the Su-30MKK and the Su-30MK2, which were designed for and sold to China. Irkut makes the long-range, multirole Su-30MK series. The series includes the Su-30MKI developed for the Indian Air Force and its derivatives, the MKM and MKA for Malaysia and Algeria respectively.