A Coast Guard formal marine casualty investigation hearing is scheduled for May 20 at noon, at the Anchorage Loussac Library, Assembly Hall Chambers, to investigate the contributing causes that led to the conical drilling unit Kulluk grounding on Sitkalidak Island Dec. 31, 2012. The Coast Guard conducts investigations following marine casualties to determine the causal and contributing factors that led to the incident. This allows the Coast Guard to potentially save lives and protect the environment in the future by identifying what went wrong and how it can be avoided in the future. The investigative hearings are an essential part of the investigative process…