des tranche 1, ont reçu effectivement des pods litening sous la désignation GR4
Voir wiki
Tranche 1 aircraft could already drop laser-guided bombs in conjunction with third-party designators but the anticipated deployment of Typhoon to Afghanistan meant that the UK required self-contained bombing capabilities before the other partners. >[N 6] On 20 July 2006 a £73m deal was signed for Change Proposal 193 (CP193) to give an "austere" air-to-surface capability using EGBU-16 Enhanced Paveway II[119] and Rafael/Ultra Electronics Litening III laser designator.[120] just for the RAF Tranche 1 Block 5 aircraft.[121] Aircraft with this upgrade were designated Typhoon FGR4 by the RAF.
Ce qui serait nouveau c'est la présence sur des tranche 2. C'était prevu en tout ca