R.A.F. Bostons Attack Steel Works At Denain, France. Two Bostons (left and right) sweeping low over their target whilst a plume of smoke rises from a bomb burst behind them. This photograph, taken during an attack by Bostons, of R.A.F. Fighter Command on 16/8/43 provides remarkable evidence of the precision with which the important steel and armament works of the Soc. Francaise De Construction Mecaniques, and of the S.A.De Hauts Fourneaux Forges Et Aci?ries De Denain Et D'Anzin, were hit by the