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Earth Observatory Science Earth Observatory A Bright Spot at Mount Michael Earth Earth Observatory Image of the Day EO Explorer […]

The triad, along with assigned forces, provide 24/7 deterrence to prevent catastrophic actions from our adversaries and they stand ready, […]

Thousands of American service personnel are missing from previous conflicts and the Defense POW/MIA Agency remains relentless in its mission […]

The department helped make another “Mission: Impossible” possible. Military expertise, feedback and equipment provided authenticity to make the magic of […]

Meet Boston’s only undefeated team: the crew aboard Old Ironsides! Step aboard the oldest and toughest warship in all seven […]

Undefeated in battle, the USS Constitution is more than 200 years old and still afloat. Can you emerge victorious in […]

From Revolutionary War battlefields to today’s frontlines, the Purple Heart has served as a recognition of sacrifice and heroism. How […]

The Space Force structure is unique. While it is a separate and distinct branch of the armed services, it is […]

From its introduction into the Navy in the late 1800s, baseball became a phenomenon that U.S. sailors — many of […]

APOD Science APOD APOD: 2026 September 7 – The… Today’s APOD Archive Submissions Index Search Calendar RSS Education About Discuss […]