SR-71 Blackbird $300,000,000 jet from 1966 is still the fastest ever built and it was retired because it cost too much to fly 20th Feb 2026 Wild simulation showing what Mach 50 speed looks like at ground level is leaving people stunned 11th Feb 2026 SR-71 listed on eBay for $1,000,000 then its rudder appears in a man’s front yard, encased in hundreds of pounds of cement 29th Nov 2025 Incredible simulation shows what the SR-71's speed would look like flying at ground level 21st Aug 2025
