Boeing P-8 Poseidon

P-8 Poseidon
A U.S. Navy P-8 Poseidon
Role	Maritime patrol aircraft Type of aircraft
National origin	United States
Manufacturer	Boeing
First flight	25 April 2009[1]
Introduction	November 2013[2]
Status	In service
Primary users	United States Navy Indian Navy Royal Australian Air Force Royal Air Force
Produced	2009–present
Number built	178 as of March 2024[3]
Developed from	Boeing 737 Next Generation

The Boeing P-8 Poseidon is an American maritime patrol and reconnaissance aircraft developed and produced by Boeing Defense, Space & Security, and derived from the civilian Boeing 737-800. It was developed for the United States Navy (USN).

The P-8 operates in anti-submarine warfare (ASW), anti-surface warfare (ASUW), and intelligence, surveillance and reconnaissance (ISR) roles. It is armed with torpedoes, Harpoon anti-ship missiles, and other weapons, can drop and monitor sonobuoys, and can operate in conjunction with other assets, including the Northrop Grumman MQ-4C Triton maritime surveillance unmanned aerial vehicle (UAV).

The P-8 is operated by the United States Navy, the Indian Navy, the Royal Australian Air Force, the United Kingdom's Royal Air Force, the Royal Norwegian Air Force and the Royal New Zealand Air Force. It has also been ordered by the Republic of Korea Navy, the German Navy and the Royal Canadian Air Force.