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								| Marble Mountain Air Facility, RVN, 1 January 1970 |  
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								| This photo was taken during the Change-of-Command ceremony on 1 January 1970, when LtCol Raymond M. Ryan relinquishes his responsibilities as the Commanding Officer
										of HMH-463 to LtCol Charles A. Block. |  
								| - photo courtesy of Charlie Block |  
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