Comments on: Chinese prototype jet completes test at Mach 4, aims to cut New York-Beijing travel to two hours as maiden passenger flight planned for 2027 https://lifeboat.com/blog/2024/10/chinese-prototype-jet-completes-test-at-mach-4-aims-to-cut-new-york-beijing-travel-to-two-hours-as-maiden-passenger-flight-planned-for-2027 Safeguarding Humanity Wed, 30 Oct 2024 13:24:47 +0000 hourly 1 https://wordpress.org/?v=6.6.2