CTA International explained

CTA International is an equal-shares joint venture company between defence companies Nexter and BAE Systems. CTAI is based in Bourges, France, and has been established to develop and manufacture case telescoped weapons and ammunition. The company name is an acronym for Case Telescoped Ammunition.^[1] Its main product is the 40CTAS for armoured fighting vehicles such as armoured reconnaissance vehicles and infantry fighting vehicles.

Timeline

1994 - CTAI was created by (at that time) GIAT and Royal Ordnance, with initial activities around a 45mm solution
1997 - the 40mm calibre solution is selected
1999 - The UK MoD Operational Analysis (OA) study output is shared with US DoD; the solution is integrated into Bradley Fighting Vehicle and the US-UK Tracer prototype vehicle
2002 - Further UK MoD & DGA OA studies; risk reduction contract awarded
2004 - UK MoD & DGA contract to integrate 40CT into the MTIP and unmanned Toutatis turrets
March 2008 - UK MoD select CT40 as a mandated item for Warrior IFV and FRES-Scout (now Ajax) programmes^[2]
April 2017: France orders the first tranche of the EBRC Jaguar
26th November 2021 : British MoD receives the 515 and last 40CT cannon ordered.^[3]

Web site: "CTA International Secures New Contract From UK MOD" - BAE Systems . 27 March 2010 . https://web.archive.org/web/20100401064911/http://www.baesystems.de/Newsroom/NewsReleases/2004/press_16062004.html . 1 April 2010 . dead .
http://www.dtic.mil/ndia/2009gunmissile/7961leslie.pdf CTAI presentation at conference - April 2009
Web site: MoD receives final 40CT cannon | Shephard .