Added a page for Robert in the Roll of Honour, ‘Site Memorial’ section. It did take two days but is very detailed on the 12th and 15th Batteries of the 6 HAA :-
https://www.roll-of-honour.org.uk/h/html/hilton-robert.htm
Information
Alan Hilton
Japanese Transport
Hell Ship
Japanese Homeland Camps
‘6th Heavy Anti Aircraft Regiment- Royal Artillery’ by Patrick Walker (a must read)
Affidavit Lt Col Scott. Diary Major Robert Savi Earle
KEW Files:- WO 392/24, WO 361/2009, WO 345/25, WO 361/1960, WO 361/1982, WO 361/1977, WO417/43,49,58,61,98.