Complex sentence: ASC Pty Ltd, based in the industrial suburb of Osborne, was charged with constructing Australia's "Collins" class submarines and more recently the A $6 billion contract to construct the Royal Australian Navy's new air-warfare destroyers.
Split into simpler sentences: ASC Pty Ltd, based in the industrial suburb of Osborne. South Australia was charged with constructing Australia's "Collins" class submarines and more recently the A $6 billion contract to construct the Royal Australian Navy's new air-warfare destroyers.