 Its top speed was Mach 2.5 and its combat radius allowed it to reach targets in Indonesia from bases in northern Australia.Upon delivery in 1973 it was fitted with analogue avionics and could only drop unguided ("dumb") bombs.In its 37 years of service with the RAAF the type went through several upgrades, including the Pave Tack infra-red and laser-guided precision weapons targeting system, Harpoon anti-shipping missiles, and advanced digital avionics.