Event Brief
P-8 Poseidon radar and submarine-hunting capabilities
By The BriefBrief · Sources (1)
Filed: Sep 25, 2026 at 4:00 PM ET
UPDATED Sep 28, 2026 at 10:00 AM ET
Summary: The article describes the US Navy’s P-8 Poseidon patrol aircraft, built as a successor to the P-3 Orion, and highlights its AN/APY-10 radar modes that can generate video-quality imagery through rain, clouds, and fog. It says the radar can detect a submarine’s periscope and wake at night from about 30,000 feet, and notes the aircraft’s 737-800-based design and shared parts with the commercial jet.
WHO: US Navy; Boeing (P-8 Poseidon program)
WHAT: Description of P-8 Poseidon submarine-detection capabilities using AN/APY-10 radar
WHEN: 2026
WHERE: USA
WHY: The Navy sought a successor to the Lockheed P-3 Orion as added equipment increased the aircraft’s weight and shortened service life.
How this brief is built: The BriefBrief uses multi-source information fusion to correlate reporting across sources, identify related developments, and continuously update a structured WHO, WHAT, WHEN, WHERE and WHY event picture. Pattern arcs, source analysis, and velocity indicators provide deeper analysis in our MI Console.
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