King Savang Vatthana and, left to right, Chao Saykham Southakakoumane (Governor, Xieng Khouang Province; black suit, a Phuan), Prime Minister Souvanna Phouma (with a cane), Gen. Vang Pao (Vaj Pov) (between the King and Prime Minister; Commander, Military Region II), and Queen Khamphoui (receiving flowers on the right) at the Sam Thong airstrip. Sam Thong was the USAID refugee operations center for northeastern Laos from 1962 until its fall on March 20, 1970.