On 11th November 1942, members of the Royal Engineers erected a pair of Bailey Bridges across the River Blackwater at the Caledon Park Site in Co. Tyrone.
During the Second World War, members of 853rd Quarrying Company, Royal Engineers worked around the Stoneyford area in Co. Antrim sourcing building materials.
In 1941, photographer Lieutenant J.R. Bainbridge pictured members of the Inland Water Transport, Royal Engineers patrolling on Lough Neagh in Northern Ireland.
Sappers such as Alfred Stanley Button who had experience in working on railways in peacetime were valuable assets to units such as 9th Movement Control Group.
17th Field Company, Royal Engineers saw action in France with the British Expeditionary Force in the early stages of the Second World War leading up to Dunkirk.
40th Fortress Company, Royal Engineers was a coastal overseas company based in Hong Kong during and after The Great War, having a range of duties in the area.