ENCYCLOPEDIA OF BRITISH MILITARY FORCES IN THE FIRST WORLD WAR
The British Army
The Royal Navy
The Royal Flying Corps/Royal Air Force
The Mercantile Marine
![British Lewis Gun team during the Battle of the Somme 1916](https://www.footballandthefirstworldwar.org/wp-content/uploads/2021/11/British-Lewis-Gun-team-during-the-Battle-of-the-Somme-1916.png)
The British Army
The Royal Navy
The Royal Flying Corps/Royal Air Force
The Mercantile Marine