Today at Lockheed Martin, hangar 6. What’s this triangle craft ?

Stumbled upon this Google maps view of Lockheed Martin Hangar 6.
Is it maybe this tech
https://www.defencetalk.com/us-conducts-successful-test-of-hypersonic-missile-technology-77451/

Or even more exotic?

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https://preview.redd.it/lzvdljmghe1d1.png?width=1536&format=png&auto=webp&s=fbcd803c66f85339cb92deb3cb320c63077a3e53

https://preview.redd.it/7x7jhjmghe1d1.png?width=1536&format=png&auto=webp&s=30e8d3adf8752ff1e3448b70f0ba6f0cbcdf6015