Its the pension that you will get each year and will be in the tables - also, tried
www.mod.abc.co.uk? . Bear in mind that even if you did declare Fixed Protection, you wouldn't be immediately financially advantaged because you wouldn't be paid anymore even if you did cap your AFPS 'pot'. Right now, its not so much of a problem, but once the pay freeze is lifted it'll be too late of course.
Doctors and Consultants are leaving the NHS final salary scheme in noticable numbers - something which has historically been financial planning heresy. If projected high earners/achievers did place the issue of retirement income above anything else, leaving prematurely at an AFPS 'sweet spot' and negotiating a non pensions biased contract with a civilian employer might be a modern possibility.