Realising that the majority of ACM was subsonic, the US Navy decided not to update it's aging F-5 fleet and instead purchased Hawk 200's as replacements. Agile and radar equipped these proved very successful and squadrons were also given a small number of T-45 Goshawks for training and pilot currency. These were also agile but lacked radar and were generally operated in mixed fleets with their single seat counterparts. The Hawk 200 had American radars and ECM fitted and were known in service as F-25 Sparrow Hawks...