United Cambodian Community Exterior In 1977, community leaders branched off from the first Cambodian mutual assistance association, The Cambodian Association of America (CAA), to create a second social service organization in Long Beach, The United Cambodian Community (UCC). In this photo, San Thi Tran (right) is pictured in front of the first location of the UCC, alongside another woman who was actively engaged in projects aimed at supporting the growing refugee community.