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Lockheed pushing $1 billion Mach 6 airbreather

Lockheed pushing $1 billion Mach 6 airbreather

Lockheed Martin’s unmanned SR-72 aircraft concept has surfaced again with renewed vigour, with company leadership now pushing a reusable, air-breathing hypersonic vehicle as an “affordable” way to validate a new propulsion concept for achieving speeds within the atmosphere between Mach 6.0 to Mach 20.

Speaking at a Lockheed media event in Washington DC on 15 March,…

Source: Lockheed pushing $1 billion Mach 6 airbreather