The newly refurbished Mr. Pat floats, tied to a barge on the McClellan-Kerr Arkansas River Navigations System at Lock & Dam 14 near Spiro, Oklahoma. Mr. Pat is the Tulsa District, U.S. Army Corps of Engineers tow boat that facilitates the movement of a 150 foot barge, housing a crane used for major repairs on the five lock & dam systems of the MKARNS within the Tulsa District. (Photo by Preston Chasteen/Released)