Originally Posted by
tartare
Non-submariner naïve question here.
If Australia gets the Astute and wants to put an American battle management system in it - is that more or less a case of fitting different electronics boxes, software and monitor screens etc?.
It's the systems integration task which is the killer. Welding great lumps of metal together is the easy part.
One of the big issues with the Upholder class sale to Canada was changing from UK to US weapons integration. I know the chap who lead that task and he doesn't like to be reminded of it!