بسم الله الرحمن الرحيم
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ألـــــــــــسلام علـــــيـكم
1. X-43 (Unmanned) Mach 9.8 110,000 feet
2. X-15 Mach 6.72 354,200 feet
3. SR-71 Blackbird (YF-12) Mach 3.2+ 85,000+ feet
4. MiG-25R Foxbat-B Mach 3.2 123,524 feet
4. X-2 Mach 3.2 126,200 feet...