I te 6 o Hune 1944 ka wehe a Lt-Col Simpson i te puhi kia haere ki te 50th RA Reserve Regiment (Field), a ka whai muri ia ia ko Lt-Col Ronald Nicholson, i mua i te kaiwhakaako matua o te Officer Cadet Wing o te Kura o Artillery i Deolali. I whai wheako a Nicholson i te whawhai o te ngahere i te pakanga o Arakan 1942-1943
, me te arotahi ki te whakangungu i te reimana mo te pupuhi tata i te tawhiti o te tata.