Article Photos: Congress members seek investigation of Shell barge 5/13

This aerial image provided by the U.S. Coast Guard shows the Royal Dutch Shell drilling rig Kulluk aground off a small island near Kodiak Island Tuesday Jan. 1, 2013. No leak has been seen from the drilling ship that grounded off the island during a storm, officials said Wednesday, as opponents criticized the growing race to explore the Arctic for energy resources. (AP Photo/U.S. Coast Guard)