Petty Officer 2nd Class John Dahlgren, a search and rescue swimmer assigned to guided-missile destroyer USS Hopper (DDG 70), pulls a simulated victim to safety during the SAR swimmer event as part of Surface Line Week (SLW) 2007. SLW, held from Oct. 26 to Nov. 2, puts Sailors assigned to surface ships homeported in Pearl Harbor against each other in friendly competition to promote camaraderie, rating skill development, and teamwork.