
The head of the Defense Advanced Research Projects Agency (DARPA) said two of the agency’s air-launched hypersonic weapons are on track to launch in initial flight tests by the end of 2019. The joint DARPA and Air Force programs, Tactical Boost Glide (TBG) and Hypersonic Air-breathing Weapon Concept (HAWC) are both focused on tactical, theater-level operations. These are flight demonstration programs. “We’re on track for both, to have flights for ‘19, before the calendar year ends,” DARPA Director Steven Walker…