In this Dec. 18, 2012 photograph, visitors to the Motor Vessel Mississippi IV in Vicksburg, Miss., have the opportunity to operate a river pilot simulator like the one those seeking pil

 

              In this Dec. 18, 2012 photograph, visitors to the Motor Vessel Mississippi IV in Vicksburg, Miss., have the opportunity to operate a river pilot simulator like the one those seeking pil
In this Dec. 18, 2012 photograph, visitors to the Motor Vessel Mississippi IV in Vicksburg, Miss., have the opportunity to operate a river pilot simulator like the one those seeking pilot's licenses must master. At the connected Lower Mississippi River Museum visitors get an extensive look at life surrounding the Mississippi River through several centuries by way of its interactive and static displays. (AP Photo/Rogelio V. Solis)