- March 15, 2021, 5:53 AM The UK’s Royal Air Force was the first P-8 operator in Europe. The fleet relocated to RAF Lossiemouth in October 2020, and now numbers five Poseidon MRA1s, of nine on order. (Photo: Crown Copyright/OGL) The U.S. State Department has approved the possible sale of the Boeing P-8A Poseidon maritime patrol aircraft (MPA) to Germany. Congress was notified of this determination on March 12. If the option is taken up, Germany could become the third European nation to acquire the Poseidon. The UK received its first aircraft in 2019, and Norway is due to get its first next year.