Leonides for the Pembroke
In the late eighties, when the Pemmies should have been retired but were not due to the Andover conversion over-run. Alvis were persuaded (cer-ching) to build another 6 engines for 60 Sqn. I heard that they had to get a chap well past his retirement age (80's) to come back and assemble them because no-one was current on them.