Eamon Hale joined the Army Reserve in 2004, as an M113A1 crewman. He transferred to the Regular Army in 2007, being posted to numerous units with the RAAC and Army. He has deployed on operation to Iraq and Afghanistan, as well as exchange to Canada, and training officer cadets  in PNG. 
In mid-2017, Eamon left the regular Army and returned to the Army reserve. 
In 2020, he commenced a continuous full-time service contract attached to 5th Battalion, Royal Australian Regiment, with whom he deployed again to Afghanistan as a Force Protection Node Commander and PMV Section Commander.