Here we see a row of Sopwith F.1 Camels. According to the IWM these aircraft were from No.32 Squadron and this picture shows them at their base at Humiers near St. Pol on 6 April 1918. This puts then at the northern end of the area hit by the first German offensive in the Spring of 1918. However No.32 Squadron didn't actually use the Camel, so these aircraft must be from a different unit. With the aircraft numbers scratched out by the censor it isn't easy to tell which squadron these were from, but No.3 Squadron is possible, as it used the two line markings seen here, and had been forced to move during the German offensive.
© IWM Q 12011