The Corps of Royal Engineers, usually just called the Royal Engineers (RE), and commonly known as the Sappers, is a corps of the British Army. It provides military engineering and other technical support to the British Armed Forces and is headed by the Chief Royal Engineer. The Regimental Headquarters and the Royal School of Military Engineering are in Chatham in Kent, England. The corps is divided into several regiments, barracked at various places in the United Kingdom and around the world.

https://www.army.mod.uk/who-we-are/corps-regiments-and-units/corps-of-royal-engineers/

Found 4 POWs

Last name
(click to view record)		 First name Rank Unit Service number Camp POW number
Gregg John 1880373 11160
Howard Arthur or Reginald Arthur Reginald 1880400 15238
Howe John 2114927 3228
McGregor James 3314278 16163