The JAST program office was established on 27 January 1994 to develop aircraft, weapons, and sensor technology with the aim of replacing several disparate US and UK aircraft with a single family of aircraft the majority of those produced would replace F-16s.
The Joint Advanced Strike Technology (JAST) program was created in 1993, implementing one of the recommendations of a United States Department of Defense (DoD) "Bottom-Up Review to include the United States Navy in the Common Strike Fighter program." The review also led the Pentagon to continue the F-22 Raptor and F/A-18E/F Super Hornet programs, cancel the Multi-Role Fighter (MRF) and the A/F-X programs, and curtail F-16 and F/A-18C/D procurement. CALF project was chosen after Paul Bevilaqua persuaded the Air Force that his team's concept (if stripped of its lift system) had potential as a complement to the F-22 Raptor. In 1992, the Marine Corps and Air Force agreed to jointly develop the Common Affordable Lightweight Fighter, also known as Advanced Short Takeoff and Vertical Landing (ASTOVL). The United States Air Force passed over the F-16 Agile Falcon in the late 1980s, essentially an enlarged F-16, and continued to mull other designs. The CALF was a DARPA program to develop a STOVL strike fighter (SSF) for the United States Marine Corps and replacement for the F-16 Fighting Falcon. The merged project continued under the JAST name until the engineering, manufacturing and development (EMD) phase, during which the project became the Joint Strike Fighter. The JSF program was the result of the merger of the Common Affordable Lightweight Fighter (CALF) and Joint Advanced Strike Technology (JAST) projects.
The projected average annual cost of this program is $12.5 billion with an estimated program life-cycle cost of $1.1 trillion. This is the F-35 Lightning II, which will replace various tactical aircraft, including the US F-16, A-10, F/A-18A-D, AV-8B, EA-6B and British Harrier GR7, GR9s and Tornado GR4. After a competition between the Boeing X-32 and the Lockheed Martin X-35, a final design was chosen based on the X-35. Joint Strike Fighter ( JSF) is a development and acquisition program intended to replace a wide range of existing fighter, strike, and ground attack aircraft for the United States, the United Kingdom, Italy, Canada, Australia, the Netherlands, Denmark, Norway, and formerly Turkey. X-35 selected for production as F-35 Lightning IIĬommon Affordable Lightweight Fighter (CALF) For other uses of "Joint Strike Fighter", see Joint Strike Fighter (disambiguation).īoeing and Lockheed Martin JSF demonstrators.
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