FB11,
The RAF used the Harvard as a ground attack aircraft and light bomber in Kenya in the mid-50s, the Rhodesians had Gennets and Muskateers during the 60s and 70s and the US and their allies used things like the Trojan T28 in Laos/Vietnam.
It is very often that some unlikely aircraft prove their worth doing things they were never designed for. Don't forget the Strikemaster actually took over a role from the piston engined Provost
Towards the end of its RAF life the Hastings transport proved itself to be a remarkable 'stand in' as a maritime patrol aircraft during one exercise and left everybody cussing that it was too late and asking what might have been.
Cpl P