I got into the whole 'what if I make different versions at the same time?' thing, so:
The Panavia Tornado was a joint venture between the UK, Germany, and Italy.
This GR1 is ZD707 of 14 Squadron - Royal Air Force.
The colour scheme is standard 'Northern European' camouflage.
It carries AIM-120 and AIM-9 Sidewinder missiles, along with Mk83 bombs and long-range fuel tanks.
This GR1 is ZA458 of 17 Squadron - Royal Air Force.
It is in desert colours as used in the 1st Gulf War.
It is armed with Skyflash and ALARM missiles, and Paveway III laser-guided bombs.
This GR4 is 4453 of JBG32 - Luftwaffe.
It is painted in the three colour standard German camouflage scheme.
It carries AGM-88 HARM and AIM-9 Sidewinder missiles, along with drop tanks and a Boz 10 Chaff Pod.
This GR4 is ZA550 of 31 Squadron - Royal Air Force.
It is painted overall in Air Superiority Grey.
It carries Storm Shadow and AIM-9 Sidewinder missiles, along with drop tanks and a Boz 10 Chaff Pod.