Falklands: Note circulated to members of Chiefs of Staff Committee for 24th Meeting/82 of COS - COS(Misc) 132/742/1 ("Operation Corporate - study into the scope for delaying landing operations on the Falkland Islands") ["the operational effectiveness of the Task Force is likely to reduce progressively from the end of May"; carriers could not be retained on station beyond early August and cannot be replaced] [declassified Dec 2012]