Falklands: Draft Interagency Group Paper ("Possible Argentine Moves against the UK in the South Atlantic/Antarctic: Assessment and US Options") [published 2015]

Unusually this document survives in the papers of the NSC itself rather than in the Reagan Library, to which most Reagan NSC papers were sent.

Excerpt from Foreign Relations of the United States 1981-89 (Volume XIII) Conflict in the South Atlantic (2015). Other documents from this volume can be seen here. Read the whole volume.

Published in 2015, but date of declassification unknown. The document may have been available for some time before inclusion in this volume.