[1] As of 2021, the main output of this has been the BAE Systems Tempest aircraft concept and related technologies which will replace the Typhoon.
In 1995, a Future Offensive Aircraft (FOA) was revealed, then a collaboration with Dassault, which would replace the Royal Air Force's (RAF) Panavia Tornado in the strike role.
The collaboration benefitted from prior development of the BAE Systems Taranis and Dassault nEUROn demonstrators.
In March 2016 the UK and France announced their intention to invest £1.54 billion to advance the project to its next stage.
[16] In April 2018, Dassault Aviation and Airbus announced an agreement to cooperate on the development of a stealth fighter jet as a replacement for French Rafale, German Eurofighter and Spanish F-18 Hornet, also called Future Combat Air System (FCAS) or SCAF.
The key elements of this are:[18][19] The document describes combat air as "An aircraft, manned or unmanned, whose prime function is to conduct air-to-air and/or air-to-surface combat operations in a hostile and/or contested environment, whilst having the ability to concurrently conduct surveillance, reconnaissance, electronic warfare and command and control tasks.