Lockheed Martin F-35

Lockheed Martin F-35
U.S. Air Force photo by Master Sgt. Donald R. Allen · Public domain · source
Name	Lockheed Martin F-35
Role	Multirole stealth fighter
Manufacturer	Lockheed Martin
First flight	2006
Introduced	2015
Status	Active
Primary user	United States United States Air Force, United States Navy, United States Marine Corps

Lockheed Martin F-35 is a fifth-generation family of single-seat, single-engine, stealth multirole combat aircraft designed for strike missions, air superiority, and intelligence, surveillance, and reconnaissance. Conceived as a multinational program led by United States Department of Defense procurement and produced by Lockheed Martin Aeronautics, the program involves numerous partner nations including United Kingdom, Italy, Australia, Canada, Norway, Denmark, Netherlands, Turkey (early partner), and others. The program aims to replace legacy types such as the McDonnell Douglas F-15, McDonnell Douglas F/A-18 Hornet, General Dynamics F-16 Fighting Falcon, and Panavia Tornado across allied air forces.

Development and Design

Development began under the Joint Strike Fighter competition managed by the United States Department of Defense with concept studies involving Lockheed Martin, Boeing, and other aerospace contractors. The X-35 demonstrator, built by Lockheed Martin and partner Northrop Grumman, competed against Boeing's X-32; the X-35's design was selected in 2001. Engineering work incorporated technologies from programs such as the F-22 Raptor and involved suppliers like Rolls-Royce, Pratt & Whitney, and BAE Systems. Design priorities included low observable features inspired by Lockheed F-117 Nighthawk faceting and Northrop Grumman B-2 Spirit planforms, integrated sensor fusion influenced by AN/APG-77 concepts, and internal weapons bays to preserve stealth characteristics.

Variants

The program produced three primary variants: the conventional takeoff and landing F-35A intended for United States Air Force and allied air forces; the short takeoff/vertical landing F-35B designed for United States Marine Corps expeditionary operations, Royal Navy, and Italian Navy amphibious ships; and the carrier variant F-35C with larger wings and reinforced landing gear for United States Navy carrier operations. Each variant involved distinct subsystems from suppliers such as Lockheed Martin Skunk Works collaborators and integrated propulsion from Pratt & Whitney F135 and in some test phases alternate proposals from Rolls-Royce.

Operational History

Operational deployment began with initial operational capability declarations by the United States Marine Corps and subsequent declarations by the United States Air Force and partner air arms. Combat employment was first recorded by partner nations in expeditionary operations overseas alongside platforms like the MQ-9 Reaper and B-52 Stratofortress. Training and basing have involved airfields such as Eglin Air Force Base, Luke Air Force Base, RAF Marham, and NAS Patuxent River. International exercises integrated the type with allied units from NATO members and coalition partners including Japan Self-Defense Forces and the Republic of Korea Air Force.

Armament and Avionics

Armament options include internal carriage of short-range and medium-range munitions such as variants of the AIM-120 AMRAAM, AIM-9 Sidewinder, and precision-guided bombs including the GBU-31 JDAM and smaller diameter munitions. External hardpoints permit additional ordnance when stealth is less critical. Avionics feature a sensor suite combining an AESA radar analogous to development paths from the AN/APG-81 lineage, an electro-optical targeting system similar in role to the Sniper XR, distributed aperture systems reminiscent of AN/AAQ-37 concepts, and helmet-mounted displays developed with inputs from Elbit Systems and Rockwell Collins. Data-linking and electronic warfare capabilities draw on architectures concurrent with Link 16 and tactical datalink evolution.

Performance and Specifications

Performance characteristics vary by variant: the F-35A emphasizes range and internal payload for United States Air Force missions, the F-35B compromises range for STOVL capability via a lift fan system developed from Rolls-Royce RB.162 heritage and patented designs, and the F-35C optimizes carrier suitability with larger wing and control surface area. Common performance metrics include supersonic dash capability, transonic maneuvering, and mission radii suitable for modern strike doctrines practiced by units like USAFCENT and PACAF. Key specifications involve single-engine thrust class exemplified by the Pratt & Whitney F135, internal fuel capacity to support ferry and combat missions, and loadouts compatible with NATO-standard munitions.

Operators and Deployment

Primary operators include the United States Air Force, United States Marine Corps, United States Navy, Royal Air Force, Royal Navy, Italian Air Force, Royal Australian Air Force, Royal Norwegian Air Force, Royal Netherlands Air Force, Israeli Air Force, Japanese Air Self-Defense Force, Republic of Korea Air Force, and others. Deployment platforms range from shore bases and expeditionary bases to aircraft carriers such as those operated by the United States Navy and amphibious assault ships in the inventories of the United States Marine Corps and allied navies. Training pipelines incorporate joint facilities and partner nation training squadrons in locations including Luke Air Force Base and NAS Lemoore.

Controversies and Program Issues

The program has faced cost overruns, schedule delays, and technical challenges involving software development, helmet-mounted display deficiencies, structural fatigue issues, and sustainment cost projections debated in oversight hearings by bodies such as the United States Congress and audit offices like the Government Accountability Office. Export controversies involved national procurement debates in countries like Turkey and diplomatic disputes impacting sales to nations including United Arab Emirates and Saudi Arabia. Lifecycle sustainment, interoperability with legacy fleets such as the F-16 Fighting Falcon and F/A-18 Super Hornet, and industrial participation by partner nations have remained focal points of political and defense industry scrutiny.

Category:Stealth aircraft Category:Lockheed Martin aircraft