The regiment was formed in the Royal Corps of Transport as 157th (Wales and Midlands) Transport Regiment, RCT (Volunteers) in 1967.

[2] The regiment was renamed 157th (Wales and Midlands) Transport Regiment, RCT (Volunteers) in 1987 and 157th (Wales and Midlands) Transport Regiment, RLC (Volunteers) in 1993.

[2] The regiment was-renamed 157th (Wales and Midlands) Logistic Support Regiment, RLC (Volunteers) in 1999 and 157th (Wales and Midlands) Transport Regiment, RLC (Volunteers) in 2006.

This was awarded to the Pembroke Yeomanry (Castlemartin) in 1853[4] to reflect the Regiment's involvement in the last invasion of Britain by the French in 1797.

This honour is carried forward to the Welsh Transport Regiment by 224 (Pembroke Yeomanry) Squadron.