The Union Solidarity and Development Association (Burmese: ပြည်ထောင်စုကြံ့ခိုင်ရေးနှင့်ဖွံ့ဖြိုးရေးအသင်း; MLCTS: prany htaung cu kri.

hprui: ye: a. sang: [pjìdàʊɰ̃zṵ tɕã̰kʰàɪɰ̃ jéi n̥ɪ̰ɰ̃ pʰʊ̰ɰ̃pʰjó jéi əθɪ́ɰ̃]; abbreviated USDA) was a Burmese political party founded with the active aid of Myanmar's ruling military junta, the State Law and Order Restoration Council (SLORC), on 15 September 1993.

On 19 October 2008, a small bomb exploded in the Htan Chauk Pin quarter of the Shwepyitha Township office of the USDA, resulting in property damage and the death of one person.

[5][1] According to the New Light of Myanmar, the victim was identified as Thet Oo Win, a former Buddhist monk who participated in the Saffron Revolution.

[6] The junta blamed the National League for Democracy party for planting that bomb, but experts believed at the time that the opposition was not in a position to carry out such acts amidst the tightly controlled security environment.