US navy brunei south china sea
Sailors conduct visit, board, search and seizure training with Royal Brunei Navy in the South China Sea
  • An Australian defense official is warning about military tech gaps between the US and China. 
  • The official said the US must fully implement a trilateral security partnership to better prepare.
  • Tension in the Indo-Pacific has been rising for years as the US works to bolster its presence in Asia.

The US and Australia must reinforce their industrial partnership and step up military preparations in the Indo-Pacific region amid China's increasingly aggressive behavior in the South China Sea, a high-ranking Australian defense official said this week.