The J-7E (officially K/AJJ7E, or in Chinese 歼-7E型歼击机; unified NATO codename: Fishcan) is a heavily-modified model of the MiG-21 series and one of the current support fighters of the PLAAF. The design of a double-delta J-7 was demanded not only by foreign customers, but also by the PLAAF themselves, where the jet would be the replacement of the bulk of J-6s in PLAAF service by late 1980s, as well as a way to earn foreign exchanges to fund the future Project No.10 (J-10) during the economic reform era. Although being quite obsolete in today's standards, the jet is still rather cheap to operate and equipped with relatively advanced IR AAMs to deliver sudden strikes on foes, as well as a makeshift "lead-in" trainer for pilots before they operate newer jets.

Introduced in Update "Red Skies", the J-7E offers a very different way to upgrade a Fishbed from the Soviet approach - not only does it have a more powerful engine and additional fuel, it also comes with the iconic double-delta wing with slats, making it a formidable competitor in terms of overall manoeuvrability and especially at lower speeds, which no Soviet Fishbed can ever offer. With its newer PL-5B missile and large countermeasure capacity, the J-7E can prove its abilities over its competitors and use its amazing manoeuvrability to dominate close-quarters engagements in the hands of a good pilot even facing more competent foes.