Article Photos: Congress members seek investigation of Shell barge 6/6

Royal Dutch Shell PLC  incident commander Sean Churchfield briefs reporters on the status of salvage operations for the Shell drill ship Kulluk at a news 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)