Support for the Army will be supplied in this case by attacks:
a. against transports, troop concentrations and movements,
b. against enemy war planes, should these cooperate with his armed forces in great numbers.
Should there be danger of a penetration of the Western fortifications, a further measure would be to concentrate fighter forces scattered in the West on the decisive ground front.
Attacks against objectives in the British Isles are to be regarded as unjustifiable in view of the small numbers of our combat forces.
Should the enemy remain on the defensive in the ground war and withdraw with his war plane forces to the West there will be no urgent reason for us to commit our own forces. In this case it would seem better to save our forces until reinforcements arrive.
5. As soon as strong forces are freed for the prosecution of the war in the West, operations in the air must be directed without delay at reaching a decision.
It would seem possible to achieve this end by attacking:
a. fuel refineries and dumps;
b. gunpowder and high explosive factories, main ammunition depots and ammunition depots;