the United Kingdom"; they are, however, repeated here for convenience. We wish to stress that the aircraft performance figures quoted in paragraphs 5(a) and 6(a) below will shortly be reviewed in the light of a recent report which we have not yet had time to analyse. 5. D Day. (a) Long range heavy bombers A force of about 750 have bombers may be employed. The maximum scale of effort which may be expected from D-day onwards, in any single attack from this force, would probably be between 600-650 sorties, carrying about 3600 tons of bombs.