Jet fighter generations
classification of a general period of jet-powered fighter aircraft design
Jet fighter generations classify the major technology leaps in the historical development of the jet fighter. Different authorities have identified different technology jumps as the key ones, dividing fighter development into different numbers of generations. Five generations are now widely recognised, with the development of a sixth underway.
Classification
In 1990, air historian Richard P. Hallion proposed a classification of jet fighters into six generations up to that time, broadly described as subsonic, transonic, supersonic, Mach 2, multi-mission, and high-maneuverability. Other schemes comprising five generations up to around the same period have since been described, although the demarcation lines between generations differ. John W.R. Taylor and John F. Guilmartin (Encyclopedia Britannica) follow Hallion, except that they condense the last two into one. A NASA web publication divides jet development, up to 2004, into five stages; pioneer (straight wing), swept wing, transonic, the 1960s and 1970s on, culminating in types such as the F-15, F-16, and AV-8A.
In the 1990s, a different division came into use in Russia, in which a "fifth generation" fighter was proposed as a counter to the Lockheed Martin F-22 Raptor. In contrast, a preceding fourth generation filled in the gap since the era of the F-15 and F-16. This effectively condensed the previous classifications into three generations. In 2004, Aerospaceweb listed one such division into five generations.
The public source identifies “Jet fighter generations” as classification of a general period of jet-powered fighter aircraft design. This brief keeps that definition visible, then builds a research path around fighter, generations and classification.
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Vocabulary and entity names are the principal evidence signals here, because they determine the precision of every later search. The source revision retrieved here is dated Sep 20, 2026. The linked authority identifier is Q4369087. None of the 0 selected statements returned an explicit reference. The first chronological checks are 1990 and 2004.
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This entry incorporates text from “Jet fighter generations” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.