What to know

• The People’s Liberation Army (PLA) carried out a missile test in the Pacific last month. The July 6 launch – in which a dummy warhead travelled 8,000km (5,000 miles) – was China’s first confirmed submarine-based missile test since 1982, and the first known fir...S1
• The July 6 launch – in which a dummy warhead travelled 8,000km (5,000 miles) – was China’s first confirmed submarine-basedS2