If you believed everything in Cdr Ward's Book, everyone bar his own 801 Sqn were fighting for the Argentines, let alone just the RAF! He was particularly critical of the other SHAR unit, 800 NAS on Invincible, and its commanding officer Lt Cdr Andy Auld.
I know several of the aircrew involved in the Nimrod sorties down the Argentine coast from their subsequent AWACS postings. They recall seeing the lights of Buenos Aries and on one occasion having to retrograde from a Mirage III.
Possibly more interesting however were RAF and RN ops from more unusual locations! It'll be interesting if such aspects of Corporate become public in 2013 when the 1982 govt papers are released.
Regards,
M2