John Adams (1892-1971) was our grandfather. He served with the Royal Irish Fusiliers in the Great War, and afterwards joined the Ulster Special Constabulary where he worked until his retirement in 1952.
You can find more information about him at:
Letters From the Front relates his own short account of his service with the 9th Batt. Royal Irish Fusiliers in the Great War, and allows you to read his letters home through 1914-1919.
Lewis Gun Class at Tullyhappy shows his Ulster Special Constabulary police log book entries during the early-mid 1920s, just following Irish partition. John Adams was based in South Armagh, very close to the newly formed Irish border.