Confirmation of the order is the final nail in the coffin for Australia's problematic NHIndustries NH90 helicopter, known locally as the MRH-90 Taipan.
A propulsion issue has inhibited the performance of three of the spacecraft’s four thrusters, which are fueled by a groundbreaking new green monopropellant.
Sustainable aviation fuel was transferred to a C-130 Hercules and a Eurofighter Typhoon during aerial refueling from an RAF Airbus A330 Voyager tanker.