美日7月28日举行“2+2”安全对话，重点讨论延伸威慑、国防工业合作、以及针对地区威胁的军事指挥升级等问题。 US & Japan hold a "2+2" security dialogue on July 28, focusing on extended deterrence, defense industry cooperation, and military command upgrades against regional threats.

美国总统拜登表示，美日将于7月28日在日本举行“2+2”安全对话，以加强两国历史性同盟。 The US and Japan will hold a "2+2" security dialogue on July 28 in Japan to strengthen their historic alliance, according to President Joe Biden. 对话将涵盖延伸威慑，即美国承诺使用核力量和常规力量遏制对盟友的袭击，以及深化国防工业合作和升级军事指挥结构以加强协调以应对来自中国、朝鲜和俄罗斯的地区威胁。 The dialogue will cover extended deterrence, referring to the US commitment to use its nuclear and conventional forces to deter attacks on allies, as well as efforts to deepen defense industry cooperation and upgrade military command structures to improve coordination against regional threats from China, North Korea, and Russia.