Letter from WSC to [Franklin Roosevelt] President of the United States, detailing secret military plans, reorganisation of command, and projected course of the war: Major-General Sir Claude Auchinleck [Commander-in-Chief, Middle East] to attack Cyrenaica [Libya], then advance on Tripoli; invasion of Norway has been planned as a cover; reports of German preparation for invasion of Britain over North Sea; seeks introduction of American troops to Northern Ireland; command. structure between the Army, RAF and Navy and the disadvantages of one overall commander; value of a British victory in the Middle East in its effect on Italy, Spain and Turkey; current inability to give much support to the Soviet Union; future invasion plans and army structure; protection of merchant shipping against Japanese attack and the chances of preserving peace with Japan.