3 5. It is unlikely that Germany will try to withdraw any of her forces (consisting of some 7 divisions) from North Africa. If these divisions are forced to evacuate (and if any of them are able to do so) they are unlikely to have any offensive value, until re-equipped. 6. We estimate that for the summer campaign of 1943 the German Air Force will have available a front-line strength of some 3,500 to 4,000 operational aircraft, assuming that owing to air activity by the Allies on all three fronts, Germany is given no respite to build up between now and the spring.