The Actions of St Eloi Craters from 27 March to 16 April 1916, were local operations in the Ypres Salient of Flanders, during the First World War by the German 4th Army and the British Second Army. Si
St Eloi
Western Front after the Second Battle of Ypres, 1915
An aerial view of St Eloi, photographed by 6 Squadron RFC, 19 March 1916.
Die "St. Eloi-Stellung" am 1. April 1916 (Fliegerphotographie). The craters of mines D2, D1, H4 and H1 are visible.
Royal Engineer tunnelling companies were specialist units of the Corps of Royal Engineers within the British Army formed to dig attacking tunnels under enemy lines during the First World War.
Example of a mine gallery with timber roof support
French Army Trench in northeastern France
Major Sir John Norton-Griffiths MP, founder of the Royal Engineers tunnelling companies