Peeling back the ocean off of Normandy, France, reveals wrecks and an unexpected sight—American Sherman tanks. | National Geographic TV

50 reactions | As things continue to ramp up for ocean exploration in 2023, we'd like to take a moment to reflect back on all of the activities, discoveries, partnerships, and outreach that made 2022 such a great year: https://oceanexplorer.noaa.gov/about/annual-reports/annual-report22/annual-report-2022.html. Onward and downward! | NOAA Ocean Exploration | Facebook

Despite its importance, the majority of our ocean is largely unknown. Through exploration, we’re learning more about the ocean's biological, chemical, physical, geological, and archaeological aspects every day. But before we can truly explore, we must map. Learn more about seafloor mapping through our curated education theme: https://oceanexplorer.noaa.gov/edu/themes/seafloor-mapping/welcome.html | NOAA Ocean Exploration