Editing Marconi Electronic Systems (section)

== Major projects ==
''This is a partial list:''
* Produced 12 of the class of 16 [[Type 23 frigate]]s. Also the major electronics and equipment supplier for the class.
* Civil avionics, e.g. [[Boeing 777]] fly-by-wire systems
* UK prime contractor on the [[Horizon CNGF]] programme until 1999. Following the withdrawal of the UK from the programme, MES was awarded the subsequent [[Type 45 destroyer]] prime contractor position several days before merging with BAe.
* Part of [[Raytheon]] [[Raytheon Sentinel|ASTOR]] bid team
* [[Royal Navy]] {{sclass|Astute|submarine|0}} [[fleet submarine]]s
* [[Brimstone missile|Brimstone]] Anti-Armour Missile
* [[TIALD]] [[laser designator]] pod
* [[AI.24 Foxhunter]], radar for the [[Panavia Tornado|Tornado]]
* [[ECR-90]], radar for the [[Eurofighter Typhoon]].
* Member of [[Boeing X-32]] [[Joint Strike Fighter Program|JSF]] development team
* Battlefield Artillery Target Engagement System (BATES) for use with [[MLRS]] and [[AS-90]]<ref>{{Cite web|url=https://hansard.parliament.uk/Commons/1993-07-13/debates/9ee598fc-3761-42de-b4d9-2b954593d97d/BattlefieldArtilleryTargetEngagementSystem|title=Battlefield Artillery Target Engagement System - Hansard - UK Parliament}}</ref><ref>{{Cite web|url=https://hansard.parliament.uk/Commons/1986-07-01/debates/7a320026-d264-4180-b1ab-a879b71ad6a9/SecondDaySDebate|title=Second Day's Debate - Hansard - UK Parliament}}</ref>

=== Naval weapons ===
* [[Spearfish torpedo]]
* [[Sting Ray torpedo]]

=== Spacecraft ===
* [[Ariel 6]]
* [[Prospero X-3]]
* [[Zircon (satellite)]]