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Concept
Multirole combat aircraft
Summary
A multirole combat aircraft (MRCA) is a combat aircraft intended to perform different roles in combat. 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.
Some aircraft, like the Saab JAS 39 Gripen, 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."
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".
Official source
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