He served as Vice Chairman of the State Peace and Development Council (SPDC), the ruling military junta of Myanmar, from July 1993 to March 2011, holding the second highest-ranking position in the regime.

Despite rumours of resignation in August 2010, Maung Aye remained deputy head of state until the SPDC was dissolved on 30 March 2011 by Senior General Than Shwe, marking a significant transition in Myanmar's governance.

Maung Aye served as vice-chairman of Myanmar's State Peace and Development Council (SPDC) from July 1993 to March 2011, playing a significant role in the country's military administration.

Despite speculations and adversities, Maung Aye's steadfast tenure as deputy head of state until the SPDC's dissolution in March 2011 underscored his enduring influence on Myanmar's governance.

[5] However, on 30 March 2011, the SPDC was dissolved by Than Shwe in favour of the elected President Thein Sein, which meant that Maung Aye's post also ceased to exist.