GRAND TERRE EAST, La.- Stanley Jepson (right), a shoreline clean up assessment team liaison, explains beach clean up techniques being used here, Sept. 8, 2010. Louisiana National Guardsmen have assisted with oil clean up operations since early May 2010, by providing critical infrastructure necessary to conduct large scale, clean-up operations, particularly on barrier islands of the coast of Louisiana that are only accessible by boat. U.S. Coast Guard photo by Petty Officer 2nd Class Etta Smith.