The book "Collins Class Submarine Story: Steel, Spies and Spin"
captured my attention!. So I looked on the net and found this:
<<In August 1991, because of the combat system schedule slippage, the contract was amended to provide a two-stage delivery!. This was to allow submarine platform trials to proceed in advance of a fully compliant combat system being available!.>>
http://www!.defence!.gov!.au
/minister/1999/collins!.html
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