U.S. Navy conducted a torpedo drill in Tokyo Bay to hunt Chinese submarines

 

U.S. Navy gathers best destroyers in Japan to hunt Chinese submarines

 

In March, the U.S. Navy conducted a torpedo drill in Tokyo Bay for the first time. Simulating an attack on a submarine, an MH-60R helicopter launched an inert training torpedo into the waters below.
 
The drill also dropped a hint about the navy's shifting strategy in Asia. For many years, the primary challenge for the forward-deployed vessels in Yokosuka, Japan, the largest overseas U.S. naval installation in the world, was to counter North Korean ballistic missiles.
 
More recently, the focus has shifted to China -- and how to respond to its advanced aircraft, submarines and anti-ship cruise missiles.
 
Since last summer, the U.S. Navy has quietly deployed five newer destroyers to Yokosuka, four of them equipped with helicopter hangars.
 
Their aim is to hunt Chinese submarines across the Indo-Pacific.