The HESA Saeqeh (Persian: صاعقه, "thunderbolt"), alternatively spelt Sa'eqeh; Saegheh, or Saeqeh-80, is an Iranian built single-seat jet fighter, derived from the American Northrop F-5. A joint product of the Islamic Republic of Iran Air Force and the Iranian Ministry of Defence, it is the second generation of the Iranian Azarakhsh fighter. Saeqeh aircraft were tested successfully in Iran 20 September 2007.