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.

The request showed the current service leadership’s view of the venerable yet aging Hercules.

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.

While details of the agreement remain limited, the aircraft is likely to be based on KAI’s MC-X tactical transport aircraft concept.

The deal is worth A$1.6 million ($1.1 million) and will be part of the F-35 Global Sustainment System (GSS).

The test was the ninth overall flight for Roc.

The Office of the Director of National Intelligence on Jan. 12 released its latest congressionally mandated unclassified annual report on UAP.