Tornado GR1 RAF IDS (interdictor/strike) variants were initially designated the Tornado GR1 with later modified aircraft designated Tornado GR1A, Tornado GR1B, Tornado GR4 and Tornado GR4A.
Tornado GR1 Varian RAF IDS awalnya ditunjuk Tornado GR1 dengan pesawat kemudian dimodifikasi ditunjuk Tornado GR1A, Tornado GR1B, Tornado GR4 dan Tornado GR4A.