Weapon systems officer
flight crew of combat aircraft tasked with operating weapons and other systems

A weapon systems officer (WSO), nicknamed "Wizzo", is an air flight officer directly involved in all air operations and weapon systems of a military aircraft.
Historically, aircrew duties in military aircraft were highly specialised and rigid, because the relevant controls, instruments/displays, and/or weapons were concentrated in front of particular seats, panels or positions. That included two-seat variants of fighter or attack/strike aircraft (including late 20th century types such as the F-4 Phantom II, A-6 Intruder, F-111 Aardvark, F-14 Tomcat, Panavia Tornado, Su-24 Fencer and Su-30MK Flanker-C, Dassault Mirage 2000N/2000D).
From the 1970s onward, aircraft with two-member crews, such as the F-15E Strike Eagle, F/A-18F Super Hornet or Su-34 Fullback and Dassault Rafale B, have often featured programmable multi-function displays. These programs allow roles to be more flexible than previous generation aircraft. Multiple crew members can be responsible for detecting, targeting and engaging air-to-air or ground targets, communications, datalinks and/or defensive systems. Roles can be customized based on experience, expertise, workload, tactics, and weapons being employed. Pilots usually retain the responsibility for flying the aircraft in tactical situations. However, the crews of dedicated bomber aircraft usually retain distinct, rigidly defined and conventional roles.
United Kingdom
In the Royal Air Force, a WSO is a commissioned officer that operates aircraft mission systems formerly on the Gloster Meteor NF.14, Gloster Javelin FAW.9R, Blackburn Buccaneer S.2B, McDonnell Douglas F-4J Phantom II F.3, Panavia Tornado ADV F.3, Panavia Tornado IDS GR4, Sentinel R1 and Boeing E-3D Sentry, however now on the Reaper MQ-9A drone, the RC-135W Rivet Joint, Shadow R1, and the Poseidon MRA1 maritime patrol aircraft.
Begin with the source’s own compact description: “Weapon systems officer” is flight crew of combat aircraft tasked with operating weapons and other systems. The dossier treats that line as a proposition to test through Weapon, systems and officer, not as a finished interpretation.
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Vocabulary and entity names are the principal evidence signals here, because they determine the precision of every later search. The source revision retrieved here is dated Jun 8, 2026. The linked authority identifier is Q1191843. None of the 0 selected statements returned an explicit reference.
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This entry incorporates text from “Weapon systems officer” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.