[1][2] They were signed at 10 Downing Street on 2 November 2010 by British prime minister David Cameron and French President Nicolas Sarkozy.

It was decided to develop a Combined Joint Expeditionary Force (CJEF) suitable for a wide range of scenarios, up to and including high intensity operations.

It will begin with combined air and land exercises during 2011 and will develop the concept before the next UK-France Summit and progress towards full capability in subsequent years.

The aim is to reduce costs, improve aircraft availability and develop future cooperation in the fields of maintenance, logistics and training.

[9][10] The industrial sharing defined by the two manufacturers gave BAE the project management on the aircraft and its integration while Dassault was responsible for the systems.

[15] London and Paris pledged to support the establishment of a "single European industrial prime contractor" to streamline the missile sector.

[17] In March 2017, the French and British defence procurement ministers signed an agreement to launch a three-year concept phase for the development of a new long-range missile intended for the Navy and Air Force of each country.

[21][22] France and the UK agreed a framework which will govern their enhanced co-operation in this area, leading to strengthened individual and common resilience.

A follow-up meeting occurred on 3 March 2016, with further pledges on counter terrorism, military defence, civil nuclear work and migration.

Through the treaties, the parties agree that they are "reaffirming their commitment to supporting the role of the EU's Common Security and Defence Policy".

The parties also agree that the treaties "ensure their support for action in the European Union under the Common Security and Defence Policy".