The Sukhoi Su-7 was a Soviet fighter and fighter-bomber aircraft developed in the 1950s - English
The PAK FA (Russian: ПАК ФА, Russian: Перспективный авиационный комплекс фронтовой авиации, Perspektivny Aviatsionny Kompleks Frontovoy Aviatsii, literally "Prospective Airborne Complex of Frontline Aviation") is a fifth-generation fighter programme of the Russian Air Force. The T-50 is the name of the prototype aircraft (though it is unlikely it will be the name for the production…