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2. List of X-15 flights - Wikipedia

   en.wikipedia.org/wiki/List_of_X-15_flights

   Twelve pilots flew the X-15 over the course of its career. Scott Crossfield and William Dana flew the X-15 on its first and last free flights, respectively. Joseph Walker set the program's top two altitude records on its 90th and 91st free flights (347,800 and 354,200 feet, respectively), becoming the only pilot to fly past the Kármán line, the 100 kilometer, FAI-recognized boundary of outer ...

3. North American X-15 - Wikipedia

   en.wikipedia.org/wiki/North_American_X-15

   Air Force NB-52A, "The High and Mighty One" (serial 52-0003), and NB-52B, "The Challenger" (serial 52-0008, also known as Balls 8) served as carrier planes for all X-15 flights. Release of the X-15 from NB-52A took place at an altitude of about 8.5 miles (13.7 km) (45,000 feet) and a speed of about 500 miles per hour (805 km/h). [8]

4. Category:X-15 flights - Wikipedia

   en.wikipedia.org/wiki/Category:X-15_flights

   X-15 Flight 188; X-15 Flight 3-65-97; X. X-15 Flight 35 This page was last edited on 10 July 2021, at 07:03 (UTC). Text is available under the Creative Commons ...

5. William J. Knight - Wikipedia

   en.wikipedia.org/wiki/William_J._Knight

   On October 3, 1967, Knight piloted X-15 Flight 188, the program's fastest flight. Flying at a maximum Mach of 6.7 and a maximum speed of 4,520 mph (7,274 km/h), he set a speed record for flight in a winged, powered aircraft. [1] The flight was made in the X-15A-2, the second of three planes in the X-15 fleet.

6. Joseph A. Walker - Wikipedia

   en.wikipedia.org/wiki/Joseph_A._Walker

   The latter two, X-15 Flights 90 and 91, also surpassed the Kármán line, the internationally accepted boundary of 100 kilometers (62.14 miles). Making the latter flights immediately after the completion of the Mercury and Vostok programs, Walker became the first person to fly to space twice. He was the only X-15 pilot to fly above 100 km ...

7. Google Flights Data Reveals the Cheapest Time To Book All of ...

   www.aol.com/finance/google-flights-data-reveals...

   According to the Google Flights data, there is typically only a 1.3% difference in price when booking on a Tuesday versus booking on a Sunday, which is historically the most expensive day to book ...