本期内容：

In an unusual avowal of its offensive digital capability, America’s secretary of defence, Ashton Carter, said the Pentagon’s Cyber Command was attacking Islamic State: “really its first wartime assignment”. Lawmakers and military chiefs are considering whether to create a new separate combatant command for America’s cyber-warriors, alongside special forces, transport, strategic (currently nuclear-plus-cyber) and the six geographic commands.

词义解析:

Avowal: 公开承认
Offensive：进攻的
Pentagon：五角大楼
Cyber command：网络战司令部
Combatant：战斗的