Dr. Nguyen Thi Hoi Vice President (Right shaking hands), of the Viet Nam Red Cross, accepts a water purification system from Mr. Charles A. Ray (Left shaking hands), Consul General of the United States of America at Tan Son Nhat, Viet Nam, as (Left to right behind Ray) US Air Force Captain Barry Barnes , STAFF Sergeant David Bivens and MASTER Sergeant Robert Parris, of the 517th Airlift Squadron, Elemendorf Air Force Base, Alaska, look on. (sub-standard)