GRAND ISLE, La. -- The Coast Guard Cutter Axe pushes its construction barge used to maintain aids to navigation in Barataria Bay northeast of Grand Isle, Aug. 29, 2010. Axe crewmembers assisted in the Deepwater Horizon Response by deploying boom along the northeast shoreline of Raccoon Island earlier this summer. U.S. Coast Guard photo by Petty Officer 3rd Class Erik Swanson.