The South Korean Navy has released footage from inside its P-8A Poseidon anti-submarine patrol aircraft. The Boeing P-8 Poseidon anti-submarine patrol aircraft was developed in the United States in 2009 to replace the Lockheed P-3 Orion aircraft. The Boeing P-8 Poseidon can carry up to 9 tons of weapons and has 5 internal and 6 external hardpoints for various types of weapons.