China's military leadership is expected to outline its aims for global security when it hosts its annual defense forum this week amid churning tensions in its own neighborhood over Taiwan, ‌the South China Sea and doubts about US commitments to Asia ↧ Chinese defence forum set to open amid roiling regional tensions China's military leadership is expected to outline its aims ​for global security when it hosts its annual defence forum this week amid churning tensions in its own neighbourhood over Taiwan, ‌the South China Sea and doubts about U.S. commitments to Asia.