Personal Number: 23884 Rank: Lieutenant-Colonel Name: J N BERKELEY-MILLER, MiD Unit: Royal Tank Regiment London Gazette : 3 February 1925 https://www.thegazette.co.uk/London/issue/33017/page/779/data.pdf The undermentioned 2nd Lts. to be Lts. 1st Feb. 1925:— ROYAL TANK CORPS. J. N. Berkeley-Miller. London Gazette : 2 February 1940 https://www.thegazette.co.uk/London/issue/34783/supplement/647/data.pdf ROYAL ARMOURED CORPS. The undermentioned Capts. to be Majs. 1st Feb. 1940:— J. N. Berkeley-Miller. London Gazette : 15 December 1942 https://www.thegazette.co.uk/London/issue/35821/supplement/5438/data.pdf The KING has been graciously pleased to approve that the following be Mentioned in recognition of gallant and distinguished services in the Middle East during the period November, 1941, to April, 1942: — R.T.R. Maj. (temp. Lt.-Col.) J. N. Berkeley-Miller (23884).
London Gazette : 15 December 1942 https://www.thegazette.co.uk/London/issue/35821/supplement/5437/data.pdf https://www.thegazette.co.uk/London/issue/35821/supplement/5438/data.pdf
See also: Yanks and Limeys: Alliance Warfare in the Second World War Yanks and Limeys https://mmpgamers.com/support/asl/TAatW2_All.pdf "854 Captain J.N. Berkeley-Miller, Interim Report of Power Traverse Equipment (by Power Mountings Ltd) as fitted to Cruiser tank A.9.E.1, 30th March 1938, and papers on A9 and A10 by M.J. Verrall 1989, courtesy of the Tank Museum, Bovington."
Some more on Jarrett here: George Burling Jarett and the 75mm ammunition challenge Major George B. Jarrett, US Ordnance Advisor All the best Andreas
