Government announces SA, WA shipbuilding capacity upgrade

The Turnbull Government says it will spend more than a billion dollars upgrading shipyards in Adelaide and Perth to build new navy frigates and submarines. More than 5,000 people are to be employed to build the ships. But there's already political debate over the role of foreign workers.

Prime Minister Malcolm Turnbull (R) tours a Hobart Class Air Warfare Destroyer in Osborne Source: AAP