Coverage

Maritime and Underwater

Surface vessels, ROVs, AUVs, underwater gliders, sonar, subsea communications, and the support systems around them.

Surface and subsea platforms
Navigation and communications
Launch, recovery, and support

Technical composition of surface and underwater uncrewed platforms

Primary and cross-domain reporting

Current analysis for this beat.

NOAA remotely operated vehicle Deep Discoverer illuminating a rocky seafloor during a 2025 dive 4,755 meters below the surface

Photo: NOAA Ocean Exploration, 2025 Beyond the Blue

Maritime and UnderwaterAugust 31, 202613 min read

ROV vs. AUV vs. Underwater Glider: Choosing the Right Platform

Choose between an ROV, a powered AUV, and an underwater glider by matching control, endurance, payload, data, recovery, and support needs.

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Yellow Osprey MK-III uncrewed aircraft on a runway before an alternative-navigation flight test at Eglin Air Force Base in 2025

Photo: U.S. Air Force photo by Samuel King Jr.

Air SystemsAugust 31, 202612 min read

GNSS-Denied Navigation for Unmanned Aircraft: What Replaces GPS?

GNSS-denied aircraft do not replace GPS with one sensor. Learn how inertial, visual, terrain, radio, and integrity layers form a resilient navigation stack.

The appearance of U.S. Department of War (DoW) visual information does not imply or constitute DoW endorsement.

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