Zeyar Aung was appointed commander of Northern Regional Military Command with the rank of Brigadier General in August 2010. He continued to hold this position and rank until at least 4 July 2011. While holding the rank of Brigadier General and commanding the Northern Regional Military Command there was at least one alleged disappearance, killing, rape or torture committed by unit(s) under his command. Following this he was promoted in rank to Major General by at least 3 May 2012. He continued to command the Northern Regional Military Command with the rank of Major General until September 2012 when he was appointed Minister, Railway Transport. His career after this point in time is not known.