Sailors of Mobile Diving and Salvage Unit (MDSU) 1, based out of Pearl Harbor, Hawaii, and Explosive Ordnance Disposal (EOD) Mobile Unit (EODMU) 5 Platoon 501 based out of Sasebo, Japan, are diving in the Yellow Sea in support of the recovery and salvage of the Republic of Korea Ship (ROK) Cheonan. "We're here to offer all the help we can. We're ready to step in anytime and dive or assist hands-on in any way we can," said Navy Diver 3rd Class Andrew Kornelsen, a Madison, Wis., native.