Prufrock-3 is ready to dig its 5th tunnel!
In advance, the Monster passed its final tests, tilting the 480,000 lb shells ±10°.
Prufrock-3 will then tilt down and mine directly into the ground – no concrete, no pit, zero civil prep. Allows rapid, safe and inexpensive launch. https://t.co/nsduFoAyGm
— The Boring Company (@boringcompany)
Dec 14, 2025
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