Their remains were recovered in Luang Prabang province early last month.
Speaking at the ceremony, Vice Chairman of Son La provincial People's Committee Trang Thi Xuan emphasised that during their services in Laos, Vietnamese volunteer soldiers have promoted the tradition of resilience and indomitability, overcoming all difficulties and hardships, and demonstrating their self-sacrificing spirit for the two peoples, and for the special solidarity and friendship between Vietnam and Laos.
Provincial officials and others attending the ceremony offered incense and flowers to express gratitude for the deceased.
