Leilani Chavez is an Asia correspondent for Defense News. Her reporting expertise is in East Asian politics, development projects, environmental issues and security.
The country has embarked on numerous joint training exercises and sent troops to various countries to ease the problem, but end strength remains a problem.
The exercise took place amid ongoing tension in the South China Sea, with resupply operations stoking diplomatic spats between the Philippines and China.
The nomination comes as North Korea continues missile launch tests, and its leader Kim Jong Un visits Russia to meet with his counterpart Vladimir Putin.