The two-day training operation is to start later in the day off the coast of Jeju Island. It is aimed at enhancing the countries' ability to operate jointly to curb the spread of weapons of mass destruction and support the implementation of U.N. Security Council resolutions on Pyongyang, the Navy said.
It will involve South Korea 's Sejong the Great Aegis ship and USS Chafee, an Arleigh Burke-class U.S. guided missile destroyer, as well as Australian frigates HMAS Melbourne and HMAS Parramatta.
Also to be mobilized are four other warships, P-3C maritime patrol aircraft and Lynx and MH-60 choppers.
"Through this training, the Navy will further strengthen its capability to carry out combined operations to deal with various threats that can occur at sea," said Rear Adm. Choi Seong-mo, an official at the Republic of Korea Fleet Command.