The description below is taken from the Airfix catalogue this kit was first seen in. There is also extra information underneath the main catalogues description including the changes to the name of this kit in the catalogues.

The Harrier GR9 is a heavily updated development of the existing GR7, incorporating the ability to use a wide range of advanced precision weaponry, new communications, and systems and airframe upgrades. It equips the Joint Force Harrier squadrons crewed by both Royal Air Force and Royal Navy personnel.