NOAA Ocean Exploration emblem.Return to site homepage.

**

Toggle navigation

        -  About             - Our Mission
          - Who We Are
          - Diversity, Equity, Inclusion, and Accessibility
          - Opportunities to Get Involved
          - Partnerships
          - Funding Opportunities
          - Exploration Opportunities
          - Annual Reports
          - Ocean Exploration Advisory Board
          - National Forums
          - VIEW ALL 
        -  Expeditions             - Browse by Topic
          - Browse by Location
          - Browse by Year
          - VIEW ALL 
        -  Science & Technology             - NOAA Ship *Okeanos Explorer*
          - Technology Development
          - Exploration Tools
          - History of Ocean Exploration
          - NOAA 'Omics
          - VIEW ALL 
        -  Data & Products             - Data Access
          - Benthic Animal Guide
          - Publications
          - Data Request Form
          - VIEW ALL 
        -  Education             - Professional Development
          - Education Themes
          - Topical Education Fact Sheets
          - Educational Video Resources
          - Ocean Facts
          - Careers & Student Opportunities
          - Deep Ocean Education Project
          - Ocean Odyssey Grants
          - VIEW ALL 
        -  Multimedia             - Live Video
          - Video Gallery
          - Image Gallery
          - Desktop Wallpaper
          - Webinars
          - Social Media Video Shorts
          - VIEW ALL 
        -  News             - Media Kit
          - NOAA Ocean Exploration Updates
          - Ocean Exploration News
          - Exploration Extras
          - VIEW ALL 

Exploring Attu’s Underwater Battlefield and Offshore Environment
This project seeks to bring attention to the World War II Battle of Attu (1943) through ocean research and exploration. Surveys of the seafloor were executed using synthetic aperture sonar (SAS), an emergent form of marine remote sensing technology. Survey areas included two bays (Holtz and Massacre) that figured prominently within the Battle of Attu, and offshore locations where the U.S. naval fleet operated during the skirmish.
                            Learn more                        

Desktop Wallpaper Calendar: October                                Learn more                            

NOAA Ocean Exploration Cooperative Institute Renewed for Five More Years                                Learn more                            

Culturing the Sponge Microbiome for Natural Product Discovery                                Learn more                            

About NOAA Ocean Exploration
Learn about NOAA Ocean Exploration, a federal organization dedicated to exploring the unknown ocean, unlocking its potential through scientific discovery, technological advancements, and data delivery.
                        Learn more                    

NOAA Ocean Exploration 2024 Expeditions
In 2024, projects will take place in the North and South Pacific oceans and in deepwater areas around Puerto Rico and the U.S. Virgin Islands.
                        Learn more                    

Data and Products
NOAA Ocean Exploration ensures public access to the diverse scientific data and information collected during ocean expeditions that we support, including those on NOAA Ship *Okeanos Explorer*.
                        Learn more                    

Deep Ocean Education Project
The Deep Ocean Education Project website is a one-stop shop for ocean exploration education, combining resources from NOAA Ocean Exploration, Ocean Exploration Trust, and Schmidt Ocean Institute.
                        Learn more                    

## Featured Expeditions

####                                         Year of Expedition                                    

** Reset

### Featured Videos

To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video 

#### Seascape Alaska 5

                        Learn more                    

To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video 

#### We Are All Explorers

                        Learn more                    

To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video 

#### Ships of Discovery Overview

                        Learn more                    

To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video 

#### The Foundation for Exploration

                        Learn more                    

Website Satisfaction SurveyContact UsReport an ErrorSite Info

Site IndexPrivacy PolicyDisclaimerAccessibility Statement

NOAA Ocean Exploration emblem.Return to site homepage.

NOAA Ocean ExplorationNational Oceanic and Atmospheric AdministrationU.S. Department of Commerce