Today at NASA's Dryden Flight Research Center in California astronaut wings will be awarded to the threecivilian research pilots who flew the X-15 into space in the mid-1960s.
Between the years that NASAflew its first unmanned Mercury sub-orbital space flight and when its Apolloastronauts trained for their first mission to orbit the Moon, 12 test pilotsflew the nation's first rocket plane to the edges of the atmosphere ... andbeyond.
Of the dozen, eight of thosepilots flew the experimental X-15 to altitudes above 264,000 feet--50 miles--aheight recognized by the U.S. Air Force as being in space.
Of the eight, five pilotswere employed by the Air Force and received their astronaut wings. The threeothers were NASA research pilots--William H. "Bill" Dana and the late JohnB. "Jack" McKay and Joseph A. Walker.
In a private ceremony,scheduled to take place Tuesday afternoon before an audience of 200 invitedguests and NASA Dryden employees the three civilian pilots will at long last receivetheir wings. The event is expected to include presentations by Kent Rominger,NASA's Chief of the Astronaut Corps and by Johnny Armstrong, an X-15 testengineer and current Deputy Director of the Access to Space Office at the Air Force Flight Test Center, Edwards Air Force Base, Calif.
Among other guests expectedto attend are several of the other X-15 test pilots, including Scott Crossfieldand Joe Engle, who received USAF astronaut wings and flew the Space Shuttle asa NASA astronaut.
Unlike the Air Force wings,which are physically a metal pair of wings, the distinction that Dana and thefamilies of McKay and Walker will accept is to be more ceremonial in nature.Each will receive a certificate, a Velcro-backed badge of the type NASAastronauts adorn on their flight suits, and the actual flight logs from theirnow recognized space flights.
The honor officiallyestablishes Walker as only the 11th person to fly in space and the 7th Americanby his first wings-qualifying flight on January 17, 1963. McKay is the 26thspace explorer (13th U.S. astronaut) by his flight on September 28, 1965. Danaranks as the 35th human to leave Earth (and 21st American) by November 1, 1966.
Of the three, McKay brokethe 50 mile barrier only once, Dana twice and Walker three times.
Two of Walker's fights alsoexceeded 328,000 feet or 62 miles altitude, the internationally acceptedboundary of space set by the Federation Aeronautique Internationale.
In total, 13 of the 199 X-15flights reached space. Aside from the six space flights achieved by NASApilots, the seven others were flown by Air Force pilots Robert White, RobertRushworth, Engle, William Knight and Michael J. Adams. Only three of the eightX-15 astronauts - White, Engle and Dana - are still living.
After flying the X-15(including its last flight in October 1968), Dana served as a research pilotfor the Air Force's X-20 Dyna-Soar program. He led NASA's lifting body programduring the late 1960s and 1970s. In 1993, Dana was named Chief Engineer at NASADryden until 1998 when he retired.
McKay joined NACA (NationalAdvisory Committee for Aeronautics), NASA's predecessor, in 1951 as a testpilot for the X-1 and D-558 and served as a project pilot on the F-100, F-102,F-104, and F-107 test programs before he was assigned to the X-15. He wasseriously injured when the X-15 he was piloting crashed in 1962. McKay's deathon April 27, 1975, stemmed from liver damage suffered in the accident.
Walker's altitude record of 67.1 miles set on the third ofhis X-15 space flights went unbroken by any other rocket plane until theprivately-funded SpaceShipOne exceeded 69 miles in October 2004.
Walker made the first test flight of the X-15 in 1960 andwent on to fly a total of 24 times. After the X-15, he tested the "flyingbedstead," the Lunar Landing Research Vehicle, in advance of trainingNASA's Apollo astronauts how to touchdown on the moon. Walker was killed onJune 8, 1966, when the F-104 chase plane he was piloting collided with theXB-70 "Valkyrie" he was chasing.
The X-15 explored the realmof hypersonic flight during a nine year joint program between NASA, the U.S.Navy, the U.S. Air Force and North American. The X-15 was air launched from aB-52 aircraft before igniting its liquid-fuel rocket engine. In addition tosetting altitude records, the experimental aircraft also achieved speedmilestones in the Mach 4 to 6 range. The X-15 program is credited withcontributing to the development of the Mercury, Gemini, and Apollo spacecraftas well as NASA's Space Shuttle.
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Robert Pearlman is a space historian, journalist and the founder and editor of collectSPACE.com, an online publication and community devoted to space history with a particular focus on how and where space exploration intersects with pop culture. Pearlman is also a contributing writer for Space.com and co-author of "Space Stations: The Art, Science, and Reality of Working in Space” published by Smithsonian Books in 2018. He previously developed online content for the National Space Society and Apollo 11 moonwalker Buzz Aldrin, helped establish the space tourism company Space Adventures and currently serves on the History Committee of the American Astronautical Society, the advisory committee for The Mars Generation and leadership board of For All Moonkind. In 2009, he was inducted into the U.S. Space Camp Hall of Fame in Huntsville, Alabama. In 2021, he was honored by the American Astronautical Society with the Ordway Award for Sustained Excellence in Spaceflight History.