Rank:
This Boer-War Soldier record for Arnold Douglas AITKEN-CONNELL was transcribed record from various documents held at the National Archives, South Africa. Data contained in this set is known as "The Soldiers of the Queen".
https://www.gendatabase.com/boer-war-soldiers-record.php?q=5631&r=Arnold Douglas&s=AITKEN-CONNELL&ref=