Ready for flight in the Lockheed P2V, RAAF officers will learn firsthand from the company's test pilots and flight engineers how they obtain optimum performance from the long-range Neptune aircraft. As experienced pilots and navigators , these RAAF officers need only a few weeks to become familiar with P2V characteristics. while in the United States, the RAAF crews also will spend some time with the U.S. Navy to observe the aircraft In service. As the prime anti-submarine aircraft for the U. S.