History: A very young member of the Irish Guards, pictured at Waterford Barracks with the regiment's mascot, an Irish Wolfhound named Leitrim Boy, 1917 [1600x1217]

https://farm8.staticflickr.com/7267/7092805033_319ff2a00b_o.jpg via /r/HistoryPorn http://www.reddit.com/r/HistoryPorn/comments/4de7b0/a_very_young_member_of_the_irish_guards_pictured/