Former Ambassador to the UN Visits Travis Published May 28, 2021 349th Air Mobility Wing TRAVIS AIR FORCE BASE, Calif. -- The Honorable Sichan Siv, former Ambassador to the United Nations, shakes hands with Tech. Sgt. Jamie Coffee during a commissioning announcement event at Travis Air Force Base, California May 1, 2021. During his visit with the 349th Air Mobility Wing, Siv shared his inspirational story of triumph over adversity. (Photo by Senior Airman Brady Penn)