AFPS 75 preserved pensions for those who left before 6 April 2006 is 60. For those leaving on and after that date the proportion earned before that date is paid at 60 and the balance at age 65. The part payable at 65 can be claimed as early as age 60 at a reduced rate.
NB. For discharges between 6 April 1983 and 5 April 1988, the 5 years service was “Contracted Out” service (so, irrespective of age).
AFPS 05 and RFPS preserved pensions are payable at age 65 but can be claimed as early as age 55 at a reduced rate.