MEMPHIS - Contractors work in the engine bay of the Coast Guard Cutter Scioto during a drydock period to install a new powerplant system, Aug. 19, 2011. The Scioto, a 65-foot river buoy tender homeported in Keokuk, Iowa, is scheduled to resume operations on the Mississippi River in late September. U.S. Coast Guard photo by Petty Officer 2nd Class Bill Colclough.