this course were such that Directors of Plans did not feel able to recommend it to the Chiefs of Staff. It was pointed out that before any final decision could be come to on this question it would be most important to have from the Joint Intelligence Sub-Committee the best possible estimate which they could make of the strength of the opposition which we should have to expect in undertaking a cross-Channel operation this year. In this connection what was needed was an estimate of the probable strength of German resistance in France on the assumption that the Germans had succeeded, albeit with some difficulty, in holding the Russians on some line in the East, and in achieving an uneasy equilibrium on that front.