User blog comment:Callofduty4/Modern Warfare 3 Launch Trailer/@comment-71.210.48.130-20111023151922/@comment-356904-20111023185710

OK, looks like it's time to do the maths.

If we assume Price is in his mid-twenties in 1996 (allowing for him joining the Army at 18, followed by a year at Sandhurst, then the requisite three years before joining the SAS ((although you can't join the SAS as a lieutenant in real life))), then he's in his late thirties, early forties come the main campaign of CoD4.