Royal Monmouthshire Royal Engineers
| Royal Monmouthshire Royal Engineers (Militia) | |
|---|---|
Insignia of the R Mon RE (M) | |
| Active | 1539–present |
| Country | United Kingdom |
| Branch | British Army |
| Type | Field Engineers |
| Size | Regiment 515 personnel |
| Part of | 25 (Close Support) Engineer Group |
| Regimental HQ | Monmouth Castle, Monmouth |
| March | Ap Jenkyn (Regimental Quick March) |
| Engagements | |
| Commanders | |
| Royal Honorary Colonel | Prince Richard, Duke of Gloucester |
| Honorary Colonel | Colonel Ian Thompson |
| Insignia | |
| Arm Badge | Militia Flash |
The Royal Monmouthshire Royal Engineers (Militia) is the most senior regiment of the British Army Reserve. The regiment was formed in 1539 during the reign of by King Henry VIII. The R Mon RE (M) became a militia unit in 1660 and then became a part of the Royal Engineers in 1877.