Telegram from WSC to the President of the United States [Franklin Roosevelt] marked "personal and secret": reports on the signing of a treaty [of alliance between Britain and the Soviet Union]; comments on Vyacheslav Molotov [Soviet Commissar for Foreign Affairs] and asks for Roosevelt's impressions; states that all has gone well with the Northern convoy but that the next two days will be serious; comments on talks with General Henry Arnold [Chief of United States Army Air Force] and Towers regarding the allocation of American combat aircraft; states that Vice-Admiral Lord Louis Mountbatten [Chief of Combined Operations and member of British Chiefs of Staff committee] and Oliver Lyttelton [later 1st Lord Chandos, Minister of Production] will visit the United States together; comments on the importance of USS Washington to British plans in the Indian Ocean; comments on the need for naval escorts in the Caribbean and the Gulf of Mexico; expresses gratitude for allocation of seventy tankers to build up British oil stocks.