Delegation led by Prime Minister Souvanna Phouma (in the front), accompanied by (left to right) Touby Lyfoung (Tub Npis Lis Foom) (first Hmong politician to achieve national prominence; black suit), Chao Saykham Southakakoumane (Governor, Xieng Khouang Province; white suit, a Phuan), Gen. Ouan Rattikone (Commander-in-chief, Royal Lao Armed Forces), and Gen. Vang Pao (Vaj Pov) (Commander, Military Region II), being welcomed at Sam Thong, with nurses in the foreground. The delegation's visit included San Sook Hospital in the background. Sam Thong was the USAID refugee operations center for northeastern Laos from 1962 until its fall on March 20, 1970.