For conspicuous gallantry and intrepidity at the risk of his life above and beyond the call of duty while serving with Marine Medium Helicopter Squadron 263 during operations against enemy forces. Participating in a helicopter rescue mission to extract elements of a platoon which had inadvertently entered a minefield while attacking enemy positions, Pfc. Clausen skillfully guided the helicopter pilot to a landing in an area cleared by 1 of several mine explosions. With 11 marines wounded, 1 dead, and the remaining 8 marines holding their positions for fear of detonating other mines, Pfc. Clausen quickly leaped from the helicopter and, in the face of enemy fire, moved across the extremely hazardous mine laden area to assist in carrying casualties to the waiting helicopter and in placing them aboard. Despite the ever-present threat of further mine explosions, he continued his valiant efforts, leaving the comparatively safe area of the helicopter on 6 separate occasions to carry out his rescue efforts. On 1 occasion while he was carrying 1 of the wounded, another mine detonated, killing a corpsman and wounding 3 other men. Only when he was certain that all marines were safely aboard did he signal the pilot to lift the helicopter. By the courageous, determined and inspiring efforts in the face of the utmost danger, Pfc. Clausen upheld the highest traditions of the Marine Corps and of the U.S. Naval Service.
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