JS Ōnami (DD-111)

JS Oname (おおなみ) is the second vessel of the Takanami class destroyers of the Japan Maritime Self-Defense Force (JMSDF).

Onami was authorized under the Medium-term Defense Buildup Plan of 1996, and was built by Mitsubishi Heavy Industries shipyards in Nagasaki. She was laid down on 17 May 2000, launched on 20 September 2001. She was commissioned into service on 13 March 2003. and was initially assigned to the JMSDF Escort Flotilla 1 based at Yokosuka.

Service
Onami, along with the destroyer  Chōkai  and supply ship Hamana were assigned to the Indian Ocean in November 2004 to provide assistance to the Japanese Iraq Reconstruction and Support Group. She returned to Japan in March 2005.

Onami participated in the Malabar 2007 joint naval exercises in the Bay of Bengal in September 2007 together with the destroyer  Yudachi. In July 2009, she participated in joint naval exercises in the Sea of Japan together with a number of warships from the Republic of Korea Navy.

On 4 December 2009, Onami was involved in a collision with the destroyer Sawagiri off the coast of Kōchi Prefecture, but was able to return to port under her own power.

In January 2010, Onami, along with Sawagiri, was dispatched to Aden, Yemen to participate in anti-piracy escort operations off the coast of Somalia. Approximately 2,000 merchant ships with ties to Japan, Japan-flagged or operated by Japanese firms pass through the busy shipping zone each year. The destroyer was part of the fourth rotation of JMSDF vessels patrolling in this region. She undertook 32 sorties, escorting 283 commercial vessels, and returned to Japan on 2 July 2010.

This ship was one of several in the JMSDF fleet participating in disaster relief after the 2011 Tohoku earthquake and tsunami.

On 11 October 2011 she was dispatched to Aden again, together with her sister ship Takanami, to resume anti-piracy escort operations off the coast of Somalia. The context for this extended deployment off the Horn of Africa was the "Law on the Penalization of Acts of Piracy and Measures Against Acts of Piracy (Anti-Piracy Measures Law)". She returned to Yokosuka on 12 March 2012

On 9 June 2012, Onami participated in JIMEX 12, the first naval exercise between the JMSDF and the Indian Navy, held in Sagami Bay, which commemorated 60 years of diplomatic relations between India and Japan.