Gen. Martin Dempsey, chairman of the Joint Chiefs of Staff, pilots a 64-foot Special Purpose Craft in Puget Sound, Oct. 04, 2012, as part of a familiarization tour of Coast Guard units in the Pacific Northwest. The special purpose craft is based at the Marine Force Protection Unit in Silverdale, Wash. U.S. Coast Guard photo by Petty Officer 3rd Class Nathan W. Bradshaw.