Lt. Col. Timothy R. Vail, new commander of the U.S. Army Corps of Engineers' Walla Walla District, talk with his Executive Assistant Jeff Jackson after the change-of-command ceremony, held in Walla Walla, Wash., on July 11.

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Photo by: Gina Baltrusch, U.S. Army Corps of Engineers |  VIRIN: 140711-A-RE868-069.JPG