Boeing awarded contract modification to build two more P-8A aircraft for RAAF and nine for USN 01 April 2021 by Alessandra Giovanzanti Boeing has secured a USD1.63 billion contract modification to manufacture 11 P-8A maritime multimission aircraft: nine for the US Navy (USN) and two for the Royal Australian Air Force (RAAF). The Pentagon announced on 31 March that work on the ‘Lot 12’ production aircraft is to be completed by September 2024. The contract award comes after the Australian Department of Defence (DoD) announced on 30 December 2020 that the country had exercised the option to acquire two more P-8A to add to the 12 already in RAAF service.