Hmong Auto Defense de Choc (ADC) soldiers attaching a cargo sling of drums to an Air America helicopter in the Striped Hmong village of Houei Kha Moun, Ernest Kuhn (USAID Refugee Operations Officer)'s Sam Neua base 1967-68, with a national flag flying in the background. The cargo is bound for nearby Phou Pha Thi (LS 85), a mountain military post with a U.S. Air Force radar station site on top. Houei Kha Moun was a key supply point for the mountain post.