The project had been in development since 2018, and the early stages of planning have gone well enough for DARPA to issue a new contract to develop 'enabling technologies for the glider.
WHAT ARE HYPERSONIC WEAPONS?
There are two main types of hypersonic weapons:
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Hypersonic glide vehicles
A hypersonic glide vehicle is boosted aloft on a rocket to heights of between 25 miles to 62 miles above the earth before detaching to glide along the upper atmosphere towards its target. It is released at a height and speed that would allow it to glide unpowered to the target. Control surfaces on the glide vehicle mean it can steer an unpredictable course and maneuver sharply as it approaches impact. These glide vehicles follow a much flatter and a lower trajectory than the high, arching path of a ballistic missile.
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Hypersonic cruise missiles
These missiles are powered by high-speed, air-breathing engines after acquiring their target. While they have internal engines, unlike regular cruise missiles, they travel far faster and higher. Hypersonic cruise missiles can reach speeds of up to 7,500mph, or around ten times the speed of sound, and often even faster.
The Defense Advanced Research Projects Agency (DARPA) Tactical Technology Office (TTO) announced that they are sponsoring a Proposers Day to provide information to potential proposers on the objectives of Phase 2 of the Glide Breaker program in advance of a planned Broad Agency Announcement (BAA). The Proposers Day will be held on Tuesday, March 22, 2022 at the DARPA Conference Center from 9:00AM to approximately 4:00 PM Eastern Time. One-on-one appointments with the DARPA Program Manager will be available the following day, Wednesday, March 23, 2022 from approximately 9:00AM to 5:00PM Eastern Time.