We teamed up with the NOAA Office of Ocean Exploration and Research to explore sunken aircraft in Papahānaumokuākea Marine National Monument for the 75th anniversary of the Battle of Midway! Frozen in time, these aircraft allow researchers to unfold the story of World War II in the Pacific. Not only do these underwater wrecks unlock the past, but they serve as marine habitat for present-day organisms -- and potentially for invasive species that can alter local ecosystems. Working with maritime archaeologists, biologists with the team investigated whether human-made objects were providing a habitat in which invasive organisms have a competitive edge over native species. Here, a diver documents a structure for any alien invasive species. Learn more: &lt;a href="<a rel="nofollow" class="external free" href="http://oceanexplorer.noaa.gov/explorations/17midway/logs/may9/may9.html">http://oceanexplorer.noaa.gov/explorations/17midway/logs/may9/may9.html</a>" rel="nofollow"&gt;oceanexplorer.noaa.gov/explorations/17midway/logs/may9/ma...&lt;/a&gt;
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/44124469278@N01">National Marine Sanctuaries</a>
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<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/onms/35596269875/">PMNM -- Diver Documenting Structure At Midway Atoll</a>