| Rank | Lieutenant |
|---|---|
| Unit | 51st Australian Infantry Battalion |
| Conflict/Operation | First World War, 1914-1918 |
| Enlistment Date | 1915-08-31 |
| Fate | Returned to Australia |
| Fate Date | 28 February 1919 |
First World War Nominal Roll William Alroe Halvorsen
| Rank | Lieutenant |
|---|---|
| Unit | 51st Australian Infantry Battalion |
| Conflict/Operation | First World War, 1914-1918 |
| Enlistment Date | 1915-08-31 |
| Fate | Returned to Australia |
| Fate Date | 28 February 1919 |
