The Global Hypersonic Race

... ensuring a decisive military advantage over a technically lacking adversary. The U.S. Air Force Research Laboratory is looking into the possibility of creating a combined-cycle propulsion system for reusable vehicles, including by way of integrating scramjets with reheated bypass turbojets. In addition to DARPA, hypersonic weapons are being developed by the United States Army Space and Missile Defense Command in conjunction with the Sandia National Laboratory under the Advanced Hypersonic Weapon project, which calls for the creation of a hypersonic glide vehicle ...