U.S. Navy Petty Officer 1st Class Max Lopez, assigned to Naval Mobile Construction Battalion 40, uses a bulldozer on Sept. 15, 2005, to supply a crane with lose dirt to block the area where Buras Levee broke during Hurricane Katrina. The battalion is aiding in the disaster recovery effort of Hurricane Katrina that struck the Gulf Coast Aug. 28, 2005. U.S. Navy photo by Petty Officer 3rd Class John P. Curtis