国防省の報道官の声明。
https://www.abc.net.au/7.30/australias-attack-class-submarine-project-faces/13075992
https://beta.documentcloud.org/documents/20459820-submarines-defence-spokesperson-statement
＞There has been no change in the schedule for the delivery of the Attack class submarine

この資料読むと計画通りに進行するっぽいけど。