Missing in action Memorial to the Missing of the Somme in France bears the names of 72,090 British and Commonwealth combatants, all of whom went missing in action during the Battle of the Somme, were never found and who have no known grave. Similarly, the Menin Gate memorial in Belgium commemorates 54,896 missing Allied combatants who are known to have been killed in the Ypres Salient. The Douaumont ossuary, meanwhile, contains 130,000 unidentifiable sets of French and German remains from the Battle of Verdun. Even in the 21st century, the remains of missing combatants are recovered from the former battlefields of the Western
Ploegsteert Memorial to the Missing action took place. Allied units were sent here to recuperate and retrain after fighting elsewhere and before returning to active operations. Berks Cemetery Extension was founded by Commonwealth troops in June 1916 as an extension to Hyde Park Corner (Royal Berks) Cemetery which lies across the road. The cemetery grounds were assigned to the United Kingdom in perpetuity by King Albert I of Belgium in recognition of the sacrifices made by the British Empire in the defence and liberation of Belgium during the war. The Ploegsteert Memorial to the Missing is one of several CWGC Memorials to the Missing along