Beneath choppy Puget Sound waters linger remnants of war that could potentially harm both life and this robust sea-faring industry. During a routine security dive, Port of Seattle divers discovered munitions that date back to World War II. Munitions were found on six more occasions, the last of which was considered hazardous. The U.S. Army Corps of Engineers authorized a time critical removal action to deal with munitions found where cruise ships berthed on Pier 91. Sky Research was contracted to begin a series of surveys using multi-beam…