Israel Aerospace Industries
IAI Kfir "Lion Cub" 

The all-weather, delta-winged Mirage IIICJ was the first Mach 2 aircraft acquired by Israel from then-close ally France, and constituted the backbone of the IAF during most of the 1960s, until the arrival of the Douglas A-4 Skyhawk and, most importantly, the McDonnell Douglas F-4 Phantom II, by the end of the decade. While the Mirage IIICJ proved to be extremely effective in the air-superiority role, its relatively short range imposed some limitations on its usefulness as a ground-attack aircraft.

The Israel Aircraft Industries Kfir (Hebrew: כְּפִיר, "Lion Cub") is an Israeli all-weather multirole combat aircraft based on the French Dassault Mirage 5, with Israeli avionics and an Israeli-built version of the General Electric J79 turbojet engine.

Design

The Kfir programme originated in the quest to develop a more capable version of the IAI Nesher, which was already in series production. After General De Gaulle embargoed the sale of arms to Israel, the IAF feared that it might lose qualitative superiority over its adversaries in the future, which were receiving increasingly advanced Soviet aircraft. The main and most advanced type of aircraft available to the IAF was the Mirage, but a severe problem developed due to the Mirage fleet's depletion due to attrition after the Six-Day War. Domestic production would avoid the problem of the embargo completely; efforts to reverse engineer and reproduce components of the Mirage were aided by Israeli espionage efforts to obtain technical assistance and blueprints from third party Mirage operators.Wiki Link