Why Does the Military Still Fly Cold-War U-2 Planes? - The Atlantic
See This Picture? This Is Iran's 'New' Jet Fighter (More Like a Fraud)
Why does Iran still use American-made F14 fighters? - Quora
Iran to build unmanned Quaher-313 'fighter jet': official - AeroTime
Iran's Kowsar Fighter Looks Like a Joke, but Could Save Its Air Force
Russian Su-25 military plane crashes in Belgorod Region, pilot dies — top brass - Military & Defense - TASS
Defense intel report says Iran will seek new fighter jets, tanks as 2020 embargo lifts
Iran unveils first domestic fighter jet. It looks a lot like a US plane from the 1970s
Chronology: 1970-1979 Air & Space Forces Magazine