Photograph: British raiding party await the word to go.From an album of 76 official photographs, 1916-1917.Associated with World War One, Western Front (1914-1918).Trench raids were a regular feature of life at the front. Small groups of men would cross no-man?s-land and infiltrate the enemy lines. They were often undertaken to capture prisoners for interrogation, gather intelligence on defences and troop dispositions or to destroy enemy fortifications and weapons.