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A multirole combat aircraft (MRCA) is a combat aircraft intended to perform different roles in combat. [1] These roles can include air to air combat, air support, aerial bombing, reconnaissance, electronic warfare, and suppression of air defenses.
The term "multirole" was originally reserved for aircraft designed with the aim of using a common airframe for multiple tasks where the same basic airframe is adapted to a number of differing roles. The main motivation for developing multirole aircraft is cost reduction in using a common airframe.
More roles can be added, such as aerial reconnaissance, forward air control, and electronic-warfare aircraft. Attack missions include the subtypes air interdiction, suppression of enemy air defense (SEAD), and close air support (CAS).
Multirole has also been applied to one aircraft with both major roles, a primary air-to-air combat role, and a secondary role like air-to-surface attack. However, those designed with an emphasis on aerial combat are usually regarded as air superiority fighters and usually deployed solely in that role, even though they are theoretically capable of ground attack. The Eurofighter Typhoon and Dassault Rafale are classified as multirole fighters; however the Typhoon is frequently considered an air superiority fighter due to its higher dogfighting prowess while its built-in strike capability has a lighter bomb load compared to contemporaries like the Rafale, which sacrifices air-to-air ability for a heavier payload. [2]
For the US Navy, the F-14 Tomcat was initially deployed solely as an air-superiority fighter, as well as fleet defense interceptor and tactical aerial reconnaissance. By contrast, the multirole F/A-18 Hornet was designed as strike fighter while having only enough of an edge to defend itself against enemy fighters if needed. While the F-14 had an undeveloped secondary ground attack capability (with a Stores Management System (SMS) that included air-to-ground options as well as rudimentary software in the AWG-9), the Navy did not want to risk it in the air-to-ground role at the time, due to its lack of proper defensive electronic countermeasures (DECM) and radar homing and warning (RHAW) for overland operations, as well as the fighter's high cost. In the 1990s, the US Navy added LANTIRN pods to its F-14s and deployed them on precision ground-attack missions. [3]
Some aircraft, like the Saab JAS 39 Gripen, [4] are called swing-role, to emphasize the ability of a quick role change, either at short notice, or even within the same mission. According to the Military Dictionary: "the ability to employ a multi-role aircraft for multiple purposes during the same mission." [5]
According to BAE Systems, "an aircraft that can accomplish both air-to-air and air-to-surface roles on the same mission and swing between these roles instantly offers true flexibility. This reduces cost, increases effectiveness and enhances interoperability with allied air forces". [6]
"[Swing-role] capability also offers considerable cost-of-ownership benefits to operational commanders." [7]
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Although the term "multirole aircraft" may be relatively novel, certain airframes in history have proven versatile to multiple roles. In particular, the Junkers Ju 88 was renowned in Germany for being a "jack-of-all-trades", capable of performing as a bomber, dive bomber, night fighter, and so on, much as the British de Havilland Mosquito did as a fast bomber/strike aircraft, reconnaissance, and night fighter. The Hawker Hart was also quite 'multirole' in its numerous variants, being designed as a light bomber but serving as an army cooperation aircraft, a two-seat fighter, a fleet spotter, a fighter-bomber (in fact it was probably the first)[ citation needed ] and a trainer.
The US joint forces F-4 Phantom II built by McDonnell-Douglas also fits the definition of a multi-role aircraft in its various configurations of the basic airframe design. The various F-4 Phantom II configurations were used in air-to-air, fighter bomber, reconnaissance, and suppression of enemy air defenses (SEAD) mission roles to name a few.
The first use of the term was by the multinational European project named Multi-Role Combat Aircraft, which was formed in 1968 to produce an aircraft capable of tactical strike, aerial reconnaissance, air defense, and maritime roles.[ citation needed ] The design was aimed to replace a multitude of different types in the cooperating air forces. The project produced the Panavia Tornado, which used the same basic design to undertake a variety of roles, the Tornado IDS (Interdictor/Strike) variant and later the Panavia Tornado ADV (Air Defence Variant). By contrast, the F-15 Eagle which was another fighter aircraft of that era was designed for air superiority and interception, with the mantra "not a pound for air to ground", although the F-15C did have a rarely used secondary ground attack capability. That program eventually evolved into the F-15E Strike Eagle interdictor/strike derivative which retained the air-to-air combat lethality of earlier F-15s.
The newest fighter jet that fits the definition of 'multi-role' is the Lockheed Martin F-35 Lightning II/Joint Strike Fighter, designed to perform stealth-based ground/naval strike, fighter, reconnaissance and electronic warfare roles. Like a modern-day F-4, 3 variants of this aircraft fulfill the various strike and air defense roles among its joint service requirements: the standard variant is intended to eventually replace the F-16 and A-10 in the USAF and other Western air forces, a STOVL version intended to replace the Harrier in US Marine Corps, British Royal Air Force and Royal Navy service, and a carrier variant intended to eventually replace the older F/A-18C/D for the US Navy and other F/A-18 operators. The F-35's design goal can be compared to its larger and more air superiority-focused cousin, the F-22 Raptor.
Below is a list of some current examples.
| Country/Territory | Manufacturer | Aircraft | Introduced |
|---|---|---|---|
| United States | Lockheed Martin | F-16 | 1978 |
| USSR | MAPO (OKB-155) | MiG-29 | 1982 |
| United States | Boeing | F-15E | 1988 |
| Taiwan | AIDC | F-CK-1 | 1992 |
| Russia | KnAAPO / Irkut Corporation (Sukhoi) | Su-30 | 1996 |
| Sweden | Saab | JAS 39 | 1997 |
| United States | Boeing | F/A-18E/F | 1999 |
| Japan | Mitsubishi | Mitsubishi F-2 | 2000 |
| France | Dassault | Rafale | 2001 |
| Germany / Italy / Spain / UK | Eurofighter | Typhoon | 2003 |
| China | Chengdu Aerospace | J-10 | 2005 |
| Pakistan / China | CAC / PAC | JF-17 | 2007 |
| Russia | Mikoyan | Mikoyan MiG-29K | 2010 |
| China | Shenyang | J-16 | 2012 |
| China | Shenyang | J-15 | 2013 |
| Russia | UAC (Sukhoi) | Su-35 | 2014 |
| Russia | NAPO (Sukhoi) | Su-34 | 2014 |
| United States | Lockheed Martin | F-35 Lightning II | 2015 |
| India | HAL | HAL Tejas | 2015 |
| Russia | United Aircraft Corporation (Mikoyan) | Mikoyan MiG-35 | 2019 |
| Russia | UAC (by KnAAPO, Sukhoi) | Su-57 | 2020 |
| South Korea/Indonesia | Korea Aerospace Industries / Indonesian Aerospace | KAI KF-21 Boramae | 2022 |
Fighter aircraft are military aircraft designed primarily for air-to-air combat. In military conflict, the role of fighter aircraft is to establish air superiority of the battlespace. Domination of the airspace above a battlefield permits bombers and attack aircraft to engage in tactical and strategic bombing of enemy targets, and helps prevent the enemy from doing the same.
A military aircraft is any fixed-wing or rotary-wing aircraft that is operated by a legal or insurrectionary military of any type. Some military aircraft engage directly in aerial warfare, while others take on support roles:
An interceptor aircraft, or simply interceptor, is a type of fighter aircraft designed specifically for the defensive interception role against an attacking enemy aircraft, particularly bombers and reconnaissance aircraft. Aircraft that are capable of being or are employed as both "standard" air superiority fighters and as interceptors are sometimes known as fighter-interceptors. There are two general classes of interceptor: light fighters, designed for high performance over short range; and heavy fighters, which are intended to operate over longer ranges, in contested airspace and adverse meteorological conditions. While the second type was exemplified historically by specialized night fighter and all-weather interceptor designs, the integration of mid-air refueling, satellite navigation, on-board radar, and beyond visual range (BVR) missile systems since the 1960s has allowed most frontline fighter designs to fill the roles once reserved for specialized night/all-weather fighters.
A light bomber is a relatively small and fast type of military bomber aircraft that was primarily employed before the 1950s. Such aircraft would typically not carry more than one ton of ordnance.
In current military parlance, a strike fighter is a multirole combat aircraft designed to operate both as an attack aircraft and as an air superiority fighter. As a category, it is distinct from fighter-bombers, and is closely related to the concept of interdictor aircraft, although it puts more emphasis on aerial combat capabilities.
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An attack aircraft, strike aircraft, or attack bomber is a tactical military aircraft that has a primary role of carrying out airstrikes with greater precision than bombers, and is prepared to encounter strong low-level air defenses while pressing the attack. This class of aircraft is designed mostly for close air support and naval air-to-surface missions, overlapping the tactical bomber mission. Designs dedicated to non-naval roles are often known as ground-attack aircraft.
A strategic bomber is a medium- to long-range penetration bomber aircraft designed to drop large amounts of air-to-ground weaponry onto a distant target for the purposes of debilitating the enemy's capacity to wage war. Unlike tactical bombers, penetrators, fighter-bombers, and attack aircraft, which are used in air interdiction operations to attack enemy combatants and military equipment, strategic bombers are designed to fly into enemy territory to destroy strategic targets. In addition to strategic bombing, strategic bombers can be used for tactical missions. There are currently only three countries that operate strategic bombers: the United States, Russia and China.
The Panavia Tornado Air Defence Variant (ADV) is a long-range, twin-engine swing-wing interceptor aircraft developed by the European Panavia Aircraft GmbH consortium. It was a specialised derivative of the multirole Panavia Tornado.
The fourth-generation fighter is a class of jet fighters in service from around 1980 to the present, and represents design concepts of the 1970s. Fourth-generation designs are heavily influenced by lessons learned from the previous generation of combat aircraft. Third-generation fighters were often designed primarily as interceptors, being built around speed and air-to-air missiles. While exceptionally fast in a straight line, many third-generation fighters severely lacked in maneuverability, as doctrine held that traditional dogfighting would be impossible at supersonic speeds. In practice, air-to-air missiles of the time, despite being responsible for the vast majority of air-to-air victories, were relatively unreliable, and combat would quickly become subsonic and close-range. This would leave third-generation fighters vulnerable and ill-equipped, renewing an interest in manoeuvrability for the fourth generation of fighters. Meanwhile, the growing costs of military aircraft in general and the demonstrated success of aircraft such as the McDonnell Douglas F-4 Phantom II gave rise to the popularity of multirole combat aircraft in parallel with the advances marking the so-called fourth generation.
The Boeing F/A-18E and F/A-18F Super Hornet are a series of American supersonic twin-engine, carrier-capable, multirole fighter aircraft derived from the McDonnell Douglas F/A-18 Hornet. The Super Hornet is in service with the armed forces of the U.S., Australia, and Kuwait. The F/A-18E single-seat and F tandem-seat variants are larger and more advanced versions of the F/A-18C and D Hornet, respectively.
The Eurofighter Typhoon is in service with nine nations: United Kingdom, Germany, Italy, Spain, Saudi Arabia, Oman, Qatar, Kuwait, and Austria, with orders for all nine customers still pending as of September 2017. The aircraft has, as of 2016, been provided in a basic air-defense form and has been upgraded to newer production standards which include internal IRST, air-to-ground precision strike capability, and HMSS helmets. Most of the major systems including the CAPTOR radar and the Defence Aids Sub-System (DASS) are expected to be improved and updated over time, with the radar being updated to an AESA, being the CAPTOR-E/CAESAR, of which the Kuwait Air Force will be the inaugural operator, with first deliveries of their 28 new-built aircraft to commence in 2019.
Military aviation comprises military aircraft and other flying machines for the purposes of conducting or enabling aerial warfare, including national airlift capacity to provide logistical supply to forces stationed in a war theater or along a front. Airpower includes the national means of conducting such warfare, including the intersection of transport and warcraft. Military aircraft include bombers, fighters, transports, trainer aircraft, and reconnaissance aircraft.
An air superiority fighter is a fighter aircraft designed to seize control of enemy airspace by establishing tactical dominance over the opposing air force. Air-superiority fighters are primarily tasked to perform aerial combat against agile, lightly armed aircraft and eliminate any challenge over control of the airspace, although some may have a secondary role for air-to-surface attacks.
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