Thailand's military has ruled the country for large parts since constitutional monarchy was introduced just over 80 years ago.
Its grip may be about to get stronger.
Two years after the military last seized power, Thailand's citizens will vote on a new draft of the constitution on Sunday that if approved, would entrench the army's power and further delay a return to civilian rule, strategists say.
In May 2014, Thailand witnessed its twelfth successful military coup since it became a constitutional monarchy in 1932. Army chief Prayuth Chan-o-cha was installed as Prime Minister, toppling the elected but controversial government of Yingluck Shinawatra and abolishing the existing constitution.
Prayuth, who referred to the coup as a peacekeeping effort aimed at ending political unrest, has said that democracy can only be restored once there is political stability, adding that the country would hold general elections once a new constitution was in place. The latter goal was tasked to the Constitution Drafting Commission (CDC), which Prayuth set up following the coup.