Congress members seek investigation of Shell barge - Article Photos 13/13

Royal Dutch Shell PLC incident commander Sean Churchfield briefs reporters on the status of salvage operations for the Shell drill ship Kulluk at a press conference in the Denaíina Civic and Convention Center on Thursday, Jan. 3, 2012, in Anchorage, Alaska. The drill ship ran aground on Monday, Dec. 31, off Sitkalidak Island near Kodiak Island in the Gulf of Alaska. (AP Photo/Dan Joling)