在中国不断增强其军力的情况下，美国与澳大利亚军方在澳大利亚展开了他们有史以来最大规模的联合军演，以展示其维护印太地区稳定的决心。

New Delhi, June 30 (UNI) To strengthen maritime security and interoperability in the Indo-Pacific, the Coast Guards of India, Japan, the United States and Australia have launched the first-ever ‘QUAD ...