House lawmakers want the Pentagon to provide details about its plans to defend against hypersonic weapons developed by China and others.
Language to that effect is included in annual defense policy legislation passed by the House Armed Services Committee this week, reports Inside Defense.
The requirement is for Pentagon leaders to present a report by the end of the year that will detail the threat posed by hypersonic weapons to the United States and its allies, and how the military intends to "counter" it.
China reportedly tested a hypersonic glide vehicle, dubbed WU-14, in January. Mounted on an Intercontinental Ballistic Missile, the vehicle is believed to travel at 10 times the speed of sound.
The Pentagon itself is working on hypersonic weaponry for inclusion into an effort officials have called "Conventional Prompt Global Strike." The idea is to develop non-nuclear options for attacking faraway targets, including those on the move, at very short notice.