142 RAC was assigned to the 25th Army Tank Brigade, alongside the North Irish Horse and 51st RTR [REF].
On 4 August, the Commanding Officer, Lt-Col R.H. Maxwell (Suffolk Regiment) was promoted to Acting Brigadier to command 25th Tank Bde and the Second-in-Command, Major A.S. Birkbeck (Royal Tank Regiment) was promoted to Acting Lt-Col and took over command [REF].