Vietnamese Catholic youth process with a reliquary of the Vietnamese Martyrs during a procession at the Co-Cathedral of the Sacred Heart in Houston on Nov. 26, remembering the 50th anniversary of the arrival of Vietnamese refugees to the U.S. (Photo by Hung L. Truong Photography)HOUSTON — On Nov. 27, more than a 1,200 Vietnamese Catholics from around the Archdiocese attended a special Mass at the Co-Cathedral of the Sacred Heart in downtown Houston.