The Jaguars were exetensively upgraded during the 1990s anyway. After the Gulf War, the RAF got a taste for using and abusing the UOR (Urgent Operational Requirement) system to get things done quickly and cheaply without the usual MoD procurement pantomime. This saw Jaguar '96, '97 and (partially) Jaguar '98 upgrades done, which gave the aircraft upgraded engines, a re-vamped digital cockpit, TIALD, Paveway, new recce pod, HMS, NVGs, and GPS/TERPROM. These were known as GR.3As