Air Marshal Robert Chipman attended the service in PNG to remember the demise of A4-233, which was carrying school-aged cadets alongside three RAAF aviators and one Army liaison officer.
It comes after Defence Minister Richard Marles on Friday cast doubt on the deal, arguing the “fuzzy commitment” made by his predecessor Peter Dutton would be subject to a review process.
It comes days after US Air Force Secretary Frank Kendall surprisingly hinted his country would be willing to sell its most prized in-development aircraft to Australia.
The Defence Minister stated his predecessor Peter Dutton’s announcement last year that the Army would buy 40 was a “pretty fuzzy commitment”.
This comes just over eight months after the former Morrison government sent a letter of request to the United States as part of a provisional assessment process designed to inform a prospective purchase from Sikorsky.
The agreement between the two companies will see RUAG Australia become a maintenance, repair and overhaul (MRO) authorised service centre for the Asia Pacific Wheels and Brakes program for the F-35.