WASHINGTON — The U.S. government has approved the potential sale of three Boeing P-8A Poseidon maritime patrol aircraft to Denmark, a deal valued at approximately $1.8 billion that would significantly enhance Copenhagen’s long-range surveillance and reconnaissance capabilities. The approval places Denmark on track to join a growing group of NATO allies operating the 737-based aircraft, though the transaction remains subject to Congressional review before it can be finalized
The clearance was announced on Dec. 29, 2025, by the Defense Security Cooperation Agency (DSCA), which confirmed that the U.S. State Department had authorized the proposed Foreign Military Sales package. If completed, the transaction would deepen defense cooperation between the United States and Denmark while reinforcing NATO’s maritime security posture in strategically sensitive regions.
Details of the Proposed Sale
According to the DSCA, the package includes three P-8A aircraft equipped with Indirect Fire Protection Capability, along with a suite of advanced mission systems and defensive technologies. These include four joint tactical radio systems, components for the Northrop Grumman Guardian AN/AAQ-24(V)N laser-based missile countermeasures system, and eight Northrop LN-251 navigation systems
The deal also covers mission software, electro-optical and infrared systems, missile warning sensors, and advanced radar systems. U.S. officials said the sale would support American foreign policy and national security objectives by strengthening the capabilities of a key NATO ally. The agency added that Denmark is expected to integrate the aircraft into its armed forces without difficulty.
Neither Boeing nor the Danish Ministry of Defence provided comment following the announcement, and a delivery timeline has not yet been disclosed.
Strategic Motivation and Arctic Focus
The approval follows earlier reports that Denmark was evaluating the P-8A to improve surveillance coverage across the North Atlantic, including waters surrounding Greenland and the Faroe Islands—areas of growing geopolitical and security interest.
Danish defence minister Troels Lund Poulsen previously underscored the importance of enhancing long-range patrol capabilities, saying Copenhagen intended to invest heavily in such assets, preferably in cooperation with other NATO members. He also emphasized the need for stronger situational awareness in the Arctic, where climate change and increased military activity have heightened strategic competition
Expanding the NATO P-8A Fleet
Denmark would join several NATO allies already operating the P-8A, including the United States, the United Kingdom, Norway, and Germany. Canada is also in the process of acquiring up to 16 aircraft. Beyond NATO, the P-8 is flown by Australia, India, New Zealand, and South Korea, underscoring the platform’s growing role as a standard maritime patrol solution among U.S. partners.
The DSCA confirmed that Congress has been formally notified of the proposed sale, as required by law. The transaction can only proceed following the completion of the legislative review period and final contract negotiations.
About the Boeing P-8 Poseidon
Derived from the Boeing 737 airframe, the P-8 Poseidon is designed for long-range maritime patrol, anti-submarine warfare, and intelligence, surveillance, and reconnaissance missions. The aircraft is operated by the U.S. Navy from bases such as NAS Jacksonville and by the Royal Air Force from RAF Lossiemouth, among others.
The P-8 integrates advanced acoustic sensors, radar, electronic support measures, and secure communications links to detect, track, and engage submarines and surface vessels. It can also conduct overland surveillance, support search and rescue missions, and coordinate closely with allied forces through Link 11, Link 16, and satellite communications.
Capable of operating at altitudes up to 41,000 feet with a maximum speed of 490 knots, the aircraft combines endurance with flexibility. Its open-architecture design allows for future upgrades, ensuring continued relevance as maritime threats evolve.
A Long-Term Capability Investment
More than 170 P-8 aircraft have been delivered worldwide since the first was handed over to the U.S. Navy in 2012. For Denmark, the acquisition would represent a long-term investment in maritime security, Arctic awareness, and alliance interoperability—key priorities as NATO adapts to an increasingly complex global security environment.
If approved by Congress, the deal would further cement Boeing’s position as a leading supplier of maritime patrol aircraft while expanding the P-8’s footprint among allied air forces worldwide.

