US Army Chief of Staff Raymond Odierno and General Wang Ning salute while reviewing an honour guard in Beijing. Photo: Reuters

Southern air defence zone 'crucial for China in long term', PLA expert says

Minnie Chan

Published: 4:51am, 22 Feb, 2014

Updated: 4:51am, 22 Feb, 2014

US Army Chief of Staff Raymond Odierno and General Wang Ning salute while reviewing an honour guard in Beijing. Photo: Reuters

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