[5] He was promoted to Commander-in-Chief of the Myanmar Air Force on 2 January 2018, after his predecessor Khin Maung Myint reached the mandatory retirement age.

[6][7] Subsequently, he was appointed as a members of the SAC on 2 February 2021, in the aftermath of the 2021 Myanmar coup d'état.

[11] The U.S. Department of the Treasury has imposed sanctions on "Maung Maung Kyaw" since 22 February 2021, pursuant to Executive Order 14014, for he is an official of the military or security forces of Burma and a member of the State Administration Council responsible for killing of peaceful protestors.

[12] The Government of Canada has imposed sanctions on him since 18 February 2021, pursuant to Special Economic Measures Act and Special Economic Measures (Burma) Regulations, in response to the gravity of the human rights and humanitarian situation in Myanmar (formerly Burma).

[19][20][21] Hein Htet, also known as Ivan Htet, and his wife Linn Latt Thiri co-founded a private firm to supply Myanmar’s armed forces, and were the subjects of a 2021 Reuters exposé on the economic interests of Myanmar's military families.