Comments on: Boom Supersonic’s XB-1 prototype aces 2nd test flight (photos) https://lifeboat.com/blog/2024/08/boom-supersonics-xb-1-prototype-aces-2nd-test-flight-photos Safeguarding Humanity Wed, 28 Aug 2024 21:22:54 +0000 hourly 1 https://wordpress.org/?v=6.6.1