F-35 program

F-35 program. The F-35 Lightning II program is a multinational, multi-service effort to develop and field a family of advanced, single-engine, fifth-generation stealth multirole combat aircraft. Led by prime contractor Lockheed Martin, with major partners Northrop Grumman and BAE Systems, the program aims to replace a wide array of legacy aircraft across the United States Department of Defense and allied nations. It represents one of the most ambitious and expensive defense projects in history, seeking to deliver advanced sensor fusion, low observability, and network-centric warfare capabilities to multiple branches of the armed forces.

Development and Origins

The program's roots lie in the late 20th-century quest for a next-generation strike fighter, consolidating several separate development initiatives. Key precursors included the Joint Advanced Strike Technology (JAST) program and the Common Affordable Lightweight Fighter project, which sought to develop a versatile aircraft for the United States Air Force, United States Navy, and United States Marine Corps. Following a highly competitive evaluation, the Lockheed Martin X-35 was selected over the Boeing X-32 in 2001 to become the Joint Strike Fighter. This decision by the Department of Defense initiated the System Development and Demonstration phase, managed by the F-35 Joint Program Office based in Arlington County, Virginia. Early development involved extensive testing at facilities like Edwards Air Force Base and Naval Air Station Patuxent River.

Design and Variants

The aircraft's design centers on stealth technology, advanced avionics, and sensor fusion through the Northrop Grumman AN/APG-81 AESA radar and the AAQ-37 Distributed Aperture System. Three primary variants were developed to meet specific service requirements. The conventional takeoff and landing F-35A Lightning II is operated by the United States Air Force and many international partners. The F-35B Lightning II features a Rolls-Royce LiftSystem for short takeoff and vertical landing (STOVL), primarily for the United States Marine Corps and the Royal Air Force. The carrier-suitable F-35C Lightning II, with larger wings and reinforced landing gear, was designed for the United States Navy and catapult launches from vessels like the USS Gerald R. Ford.

Operational History

The United States Marine Corps declared initial operational capability with the F-35B in July 2015, followed by the United States Air Force with the F-35A in August 2016 and the United States Navy with the F-35C in February 2019. Early operational deployments included Marine F-35Bs aboard the USS Wasp in the Indo-Pacific Command area of responsibility. The aircraft saw its first combat use in 2018, when Israeli F-35I Adir jets, a unique national variant, conducted strikes in the Syrian Civil War. The F-35 has participated in numerous major exercises, including Red Flag at Nellis Air Force Base and Exercise Pitch Black in Australia, demonstrating its capabilities in high-threat environments.

International Participation

The program features unprecedented global industrial collaboration and foreign military sales. Tier 1 partner nations, including the United Kingdom, Italy, and the Netherlands, contributed significant funding and gained workshare on components like the BAE Systems rear fuselage. Other partners like Australia, Canada, and Norway are procuring the aircraft, while foreign military sales customers include Japan, South Korea, and Israel. The Republic of Singapore is a security cooperation participant. Major final assembly and check-out facilities operate outside the United States, such as the Cameri Air Force Base plant in Italy and the Mitsubishi Heavy Industries facility in Nagoya.

Program Cost and Controversies

The program has been consistently scrutinized for its escalating costs, schedule delays, and technical challenges. The total projected lifecycle cost for the United States fleet is estimated to exceed $1.7 trillion, making it the most expensive weapons program ever. Key issues have included problems with the Pratt & Whitney F135 engine, software development delays for blocks like Block 4 modernization, and concerns over the Autonomic Logistics Information System. The aircraft's performance was also critically examined in a 2015 report by the Director, Operational Test and Evaluation office. Despite these controversies, supporters argue the F-35 provides unmatched capability and interoperability among NATO and allied forces.

Category:Military aviation Category:Stealth aircraft Category:21st-century military aircraft