31 Combat Engineer Regiment (The Elgin's)
| 31 Combat Engineer Regiment 31e Régiment du Génie  | |
|---|---|
Cap badge of the Elgin Regiment from World War I  | |
| Active | 1866 – Present | 
| Country | Canada | 
| Branch | Canadian Military Engineers | 
| Role | Combat Engineers | 
| Size | Two Engineer Squadrons | 
| Part of | 31 Canadian Brigade Group | 
| Garrison/HQ | St. Thomas, Ontario: HQ and 7 ES; Waterloo, Ontario: 48 FES. | 
| Nickname(s) | The Elgins | 
| Motto(s) | Ubique "Everywhere" and Officium Premum "Duty First" | 
| Anniversaries | 4 December (St. Barbara's Day) | 
| Engagements | World War I | 
| Commanders | |
| Commanding Officer | LCol Scott Burke | 
| Colonel-in-Chief | Earl of Elgin ex officio (presently Andrew Bruce, 11th Earl of Elgin) | 
| Honorary Lt. Colonel | HLCol Mark Sargent | 
| RSM | CWO Arthur Churcher | 
| Insignia | |
| Abbreviation | 31 CER (The Elgins) | 
31 Combat Engineer Regiment (31 CER or "The Elgin's"), is a combat engineer regiment of the Canadian Military Engineers. It is part of 31 Canadian Brigade Group of the 4th Canadian Division. It consists of two squadrons: 48 Engineer Squadron in Waterloo, Ontario, and 7 Engineer Squadron in St. Thomas, Ontario.