That gun was canceled in 1999 after protracted development problems, and British Harrier GR7/9s were without gun armament until retirement.
1999 | Federal Aviation Administration | 1999 in music | International Civil Aviation Organization | aviation | Space: 1999 | The Mummy (1999 film) | 1999 in film | North American Aviation | 1999 Pan American Games | 1999 ATP Tour | 1999 ICF Canoe Slalom World Championships | Ontario general election, 1999 | Aviation | 1999 World Championships in Athletics | 1999 Rugby World Cup | Société Pour L'Aviation et ses Dérivés | Republic Aviation | Aviation accidents and incidents | House of Lords Act 1999 | 1999 Cricket World Cup | 1999 Copa América | United States Army Aviation and Missile Command | Sud Aviation Caravelle | Moscow Aviation Institute | GE Aviation | 1999 in sports | Woodstock 1999 | New South Wales state election, 1999 | Malaysian general election, 1999 |