US Navy P-8A PoseidonNAVAIR/US NavyAn Australian P-8A anti-submarine warfare aircraft targeted and dropped training torpedoes on a US nuclear submarine.The exercise occurred off the coast of Hawaii during RIMPAC 2024.The crew dropped sonobuoys to track the vessel before targeting it with Mark 54 exercise torpedoes.The crew of a Royal Australian Air Force P-8A Poseidon maritime patrol and anti-submarine warfare aircraft shared their experiences tracking a US Navy nuclear submarine and dropping training torpedoes on it off the coast of Hawaii last Wednesday.The drill, part of the large multinational Exercise Rim of the Pacific (RIMPAC), was a rare opportunity to test the plane's patrol and reconnaissance capabilities against a live target, the aircraft's crew said, per a release on the training.The P-8A Poseidon, which succeeded the older P-3 Orion, usually serves in a surveillance and deterrence role.