The US Navy sends two ships to patrol disputed South China Sea after Washington accuses China of ‘bullying’ Malaysia over claims to underwater oil field,The United States Navy has deployed two patrol ships to the disputed South China Sea where China and Malaysia have competing claims over a maritime region known to have valuable resources. American officials said on Friday that the littoral combat ship USS Montgomery and the replenishment ship USNS Cesar Chavez were sent to conduct a ‘presence operation’ in the South China Sea near a Panamanian-flagged drill ship West Capella.