While in Victoria, he joined the Victorian Militia serving in the artillery, before travelling back to England, where he joined the 6th Dragoon Guards as a second lieutenant. In 1899, his unit was sent to South Africa to fight in the Second Boer War. He earnt the Queen's South Africa Medal for his efforts, before resigning his commission at the end of the war, returning to Australia.[1][2]
Post war
After his time in South Africa, he spent his time between Australia and England as well as taking part in sporting pursuits. An excellent shot, he was on a deer hunting trip to New Zealand when he heard about the Nimrod Expedition, cutting the trip short to offer his services.[1]
Antarctic exploration
His physical attributes and hunting skills helped Ernest Shackleton overlook his age, being 38 at the time and one of the older members of the trip, selecting him to look after the ponies on the expedition. While he didn't undertake the more notable sections of the expedition, he contributed heavily through depot stocking trips and as a member of the support party for the South Pole party. On one occasion he managed to escape a Killer Whale attack while mustering the ponies on pack ice.[1][2]
Death
After his return from the expedition, he travelled to England. Hoping to obtain a military position to give himself a permanent occupation. Despite the assistance of Major General Sir Edward Hutton, he was deemed too old. He would return to Australia disappointed at this rejection.
On 12 March 1910, he would take his own life in his room at the Melbourne Club. He was found wearing medals presented to him by the Royal Geographical Society for his work in the Antarctic, while his Polar and Boer War Medals were on display on his dresser.[1][2]
Personal life
Armytage was married and had a four-year-old daughter at the time of his death.[1]