美國成功試射音速五倍飛行裝置

Recently the Yomiuri News reported the following:
米国防総省は１７日、地球上のあらゆる場所を１時間以内に攻撃できる米陸軍の極超音速兵器「ＡＨＷ」の試験飛行を初めて実施、成功したと発表した。
　発表によると、ＡＨＷはハワイ・カウアイ島のミサイル施設から発射され、大気圏を飛行し、約４０００キロ・メートル離れたマーシャル諸島の目標地点に命中した。最高速度は公表されていないが、極超音速は音速の５倍以上を指す。
　オバマ政権は、核弾頭を搭載しない「通常即応型地球規模攻撃兵器（ＣＰＧＳ）」による抑止力維持を図る戦略を進めており、新型兵器の開発に力を入れている。
(試譯文)
On the 17th the U.S. Department of Defense announced that their test flight of the hypersonic arms "AHW" of the US Army which could attack all the locations on earth within 1 hour was carried out for the first time, and it was a success.
According to the announcement, it was discharged from the missile installation in Hawaii Kauai Island and flew in the atmosphere, and the AHW hit the target point in the Marshall Islands about 4000 km away. Although the maximum speed was not disclosed, it pointed at a hypersonic speed 5 or more of sound.
The Obama Administration was advancing the strategy that aimed at maintaining the deterrent power through the "Conventional Prompt Global Strike (CPGS)" that would not carry a nuclear warhead, and was putting a lot of energy into the development of new weapons.

This is a new weapon, obviously it could increase the striking power of the US globally.