OpFires
Operational Fires is a hypersonic ground-launched system developed by DARPA for the United States Armed Forces. The system deploys a boost glide vehicle. The prime contractor for the program is Lockheed Martin. The missile's range is thought to be up to 1,000 miles.
OpFires intends to produce a medium-range hypersonic missile that costs lesser and with less range than the Long-Range Hypersonic Weapon to strike larger numbers of targets at operational ranges. It will reuse the glide body from the AGM-183 ARRW. The unique aspect of OpFires is use of a "throttleable" rocket motor, where thrust can be turned off at a desired point mid-flight instead of needing to wait until all fuel is burned to make it better able to hit a short-range target.