![Mission Summary These piles dot the northern half of Thunder Bay near Alpena. Each circle is roughly 15 meters (49 feet) in diameter and some contain lumps of coal.](images/recent1-800.jpg)
Mission Summary
The NOAA Thunder Bay National Marine Sanctuary is a large national sanctuary — 448 square miles (sq mi) — which includes all of Thunder Bay and a part of Lake Huron.
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From August 16 to 27, Principal Investigators Russ Green and Charles Loeffler lead team members from the Thunder Bay NMS and the Applied Research Laboratories at the University of Texas at Austin as they set out to discover new shipwrecks sites, using cutting-edge sonar mounted on a free-swimming autonomous underwater vehicle (AUV).
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