Before becoming an astronaut, Young received his Bachelor of Science degree in Aeronautical Engineering from theGeorgia Institute of Technology and joined the U.S. Navy. After serving at sea during theKorean War he became a naval aviator and graduated from theU.S. Naval Test Pilot School. As a test pilot, he set several world time-to-climb records. Young retired from the Navy in 1976 with the rank ofcaptain.
In 1962, Young was selected as a member ofNASA Astronaut Group 2. He flew on the first crewed Gemini mission (Gemini 3) in 1965, and then commanded the 1966Gemini 10 mission. In 1969, he flew ascommand module pilot onApollo 10, and became the first person to orbit the Moon alone. In 1972, he commandedApollo 16 and spent three days on the lunar surface exploring theDescartes Highlands withCharles Duke. Young also commandedSTS-1 in 1981, the Space Shuttle program's first launch, andSTS-9 in 1983, both of which were on Columbia.
Young is the only astronaut to have flown in four different classes of NASA spacecraft: Gemini, the Apollo command module, theApollo Lunar Module, and the Space Shuttle.
He was one of only two astronauts, along withKen Mattingly, his command module pilot during the Apollo 16 mission, to fly on both an Apollo mission and a Space Shuttle mission, and the only astronaut to walk on the Moon and fly on the Space Shuttle. Young served asChief of the Astronaut Office from 1974 to 1987, and retired fromNASA in 2004, after 42 years of service.
Young applied to become a naval aviator, but was selected to become agunnery officer aboardUSS Laws out ofNaval Base San Diego.[1]: 22–23 He completed aPacific deployment as a fire control and division officer onLaws in theSea of Japan during theKorean War. In May 1953, he received orders to flight school atNaval Air Station Pensacola.[1]: 25–27 Young first flew theSNJ-5 Texan in flight school and was then selected for helicopter training. He flew theHTL-5 andHUP-2 helicopters and completed helicopter training in January 1954.[1]: 28–30 Young returned to flying the SNJ-5, and advanced to fly theT-28 Trojan,F6F Hellcat, and theF9F Panther. He graduated from flight school and received his aviator wings in December 1954.[1]: 30–31
In 1959, Young graduated second in his class and was assigned to the Armament Division at theNaval Air Test Center.[1]: 43 He worked alongside future astronautJames A. Lovell Jr. and tested theF-4 Phantom II fighter weapons systems.[1]: 44–45 In 1962, he set two world time-to-climb records in the F-4, reaching 3,000 m (9,800 ft) in 34.52 seconds and 25,000 m (82,000 ft) in 227.6 seconds.[5] In 1962, Young was assigned to fly withFighter Squadron 143 (VF-143) until his selection as an astronaut in September 1962.[1]: 49–50, 57 [6]
Young retired from the Navy as acaptain in September 1976. He had 24 years of service.[6]
In September 1962, Young was selected to joinNASA Astronaut Group 2.[1]: 57 Young and his family moved toHouston,Texas, and he began his astronaut flying, physical, and academic training.[1]: 58–63 After he completed his initial training, Young was assigned to work on the environmental control system and survivor gear. Young's team selected theDavid Clark CompanyG3C pressure suit, and he helped develop the waste disposal and airlock development systems.[1]: 63–64
In April 1964, Young was selected as the pilot ofGemini 3, commanded byGus Grissom.[1]: 64 The crew had originally beenAlan Shepard andThomas P. Stafford, but they were replaced after Shepard was diagnosed withMénière's disease.[3]: 50 The Gemini 3 backup commander wasWally Schirra, with Stafford as the backup pilot. The primary mission of Gemini 3 was to test the ability of the spacecraft to performorbital maneuvers throughout the flight. Biological experiments were assigned to test the effects ofradiation onhuman blood andmicrogravity oncell division, and an experiment to testreentry communications was created. Both crews initially trained in simulators at theMcDonnell Aircraft Corporation facilities inSt. Louis, Missouri, and moved their training when the simulators were set up at theManned Spacecraft Center andKennedy Space Center (KSC) in October 1964. Both primary and backup crews participated in Gemini 3's capsule system tests before it left the McDonnell facility.[7]: 220–223 The capsule was brought to the Kennedy Space Center on January 4, 1965,[7]: 226 and both crews trained in it from February 14 to March 18.[7]: 223–224 Young advocated for a longer mission than the planned three orbits, but his suggestion was rejected.[1]: 74
On March 23, 1965, Young and Grissom entered their capsule at 7:30 a.m. They conducted their preflight system checkout ahead of schedule but had to delay the launch after there was a leak in anoxidizer line in theTitan II GLV. Gemini 3 launched at 9:24 a.m. fromLC-19 and entered in a 122 × 182 km (76 × 113 mi)elliptical orbit.[7]: 223 [8] Twenty minutes into flight, Young recognized multiple anomalous system readings and determined that there might be issues with the instrument power supply. He switched from the primary power supply to the backup, which solved the issue. Young successfully completed the radiation experiment on human blood, but Grissom accidentally broke a handle and was unable to complete his assigned experiment on cell division. Gemini 3 successfully conducted its orbital maneuver tests that allowed it to circularize its orbit, change itsorbital plane, and lower itsperigee to 72 km (45 mi). On the third orbit, Young fired theretrorockets to begin re-entry. Thelift the capsule experienced during reentry was less than predicted, and Gemini 3 landed 84 km (52 mi) short of its target area. After the parachutes deployed, the crew shifted the capsule to its landing orientation, which caused both of them to be thrown forward into the windshield and damaged the faceplates on their helmets. The crew remained inside the capsule for 30 minutes as they waited for a helicopter to retrieve them, and they and the capsule were successfully recovered aboardUSS Intrepid.[1]: 82–83 After the flight, it was discovered that Young had smuggled acorned beef sandwich aboard, which he and Grissom shared while testing food. TheHouse Committee on Appropriations launched a hearing regarding the incident, and some members argued that the two astronauts had disrupted the scheduled food test.[1]: 84–85 [7]: 235–237
Young being hoisted from the capsule following his Gemini 10 flight
After Gemini 3, Grissom and Young were assigned as backup commander and pilot forGemini 6.[7]: 265 On January 24, 1966, Young andMichael Collins were assigned as the Gemini 10 commander and pilot, withAlan L. Bean andClifton C. Williams Jr. as the backup crew. The primary mission of Gemini 10 was to dock with anAgena target vehicle (ATV) and use its engines to maneuver. Using the Agena engines to maneuver had been a failed objective ofGemini 8 andGemini 9. The mission planned for Gemini 10 to dock with its assigned Agena target vehicle and then maneuver to rendezvous with the already orbiting Agena that had been previously assigned to Gemini 8. In the event of a failure of Gemini 10's target vehicle, the mission would still launch and attempt a rendezvous with Gemini 8's target vehicle.[7]: 342–344
The Agena target vehicle was launched on July 18, 1966, at 3:39 p.m. and successfully entered orbit. Gemini 10 launched as scheduled later that day at 5:20 p.m. from LC-19, within the 35-secondlaunch window that maximized its chances of making the dual rendezvous. Once in orbit, the crew attempted to navigate to their first rendezvous usingcelestial navigation, but were unable to navigate and required inputs fromMission Control. Young maneuvered to a 265 × 272 km (165 × 169 mi) orbit to prepare for the rendezvous, and he had to make two midcourse corrections due to misalignment during the maneuver burns. Gemini 10 successfully rendezvoused and docked with the Agena target vehicle at 11:12 p.m. The higher-than-expected fuel consumption during the midcourse corrections causedflight directorGlynn Lunney to cancel planned additional docking practice once the capsule had completed its rendezvous. Using the Agena's engines, Gemini 10 maneuvered to a 294 × 763 km (183 × 474 mi) elliptical orbit, which set a new altitude record for a crewed vehicle at the apogee.[7]: 344–345 Gemini 10 used therockets on the Agena to maneuver and rendezvous with the Gemini 8 Agena and set another new altitude record of 764 km (475 mi). Young fired the Agena engines to lower the apogee to 382 km (237 mi), and later circularized the orbit with another burn to raise the perigee to 377.6 kilometres (234.6 mi), which was 17 km (11 mi) below the Gemini8 Agena. Collins performed a standupextravehicular activity (EVA) where he stood at the door of the Gemini capsule to photograph the southernMilky Way to study itsultraviolet radiation. He began a color photography experiment but did not finish it as his and Young's eyes began filling with tears due to irritation from theanti-fog compound in their helmets.[7]: 347–348
Gemini 10 undocked from its Agena and performed two maneuvers to rendezvous with the Gemini 8 Agena. Gemini 10 successfully rendezvoused with its second target vehicle 47 hours into the mission, and Young accomplishedstation keeping to keep the capsule approximately 3 m (9.8 ft) from the Agena vehicle. Collins conducted an EVA to retrieve amicrometeorite experiment package. After he handed the package to Young, Collins extended his umbilical to test his maneuverability using a nitrogen gun, but struggled with it and pulled himself back to the capsule with hisumbilical cable.[1]: 96–98 [7]: 348–349 The crew maneuvered away from the Agena and lowered their perigee to 106 km (66 mi). Young conducted the retrofire burn and manually flew the reentry. The capsule landed 5.4 km (3.4 mi) from their recovery ship,USS Guadalcanal, in the westernAtlantic Ocean on July 21, 1966, at 4:07 p.m. After the crew was recovered and aboard the ship, flight controllers completed several burns on the Agena target vehicle to put it in a 352 km (219 mi)circular orbit to be used as a target for future missions.[7]: 350
Young was originally assigned as backup to the second crewed Apollo mission, along with Thomas P. Stafford andEugene A. Cernan.[1]: 111 After the delays caused by the fatalApollo 1 fire in January 1967, Young, Cernan, and Stafford were assigned as theApollo 7 backup crew.[1]: 117 On November 13, 1968, NASA announced that theApollo 10 crew would be commanded by Stafford, with Young as command module pilot and Cernan as thelunar module pilot. The backup crew wasL. Gordon Cooper Jr.,Donn F. Eisele, andEdgar D. Mitchell. Apollo 10 would be the onlyF-type mission, which entailed crewed entry intolunar orbit and testing of the lunar module, but without a landing. It would serve as a final test for the procedures and hardware before the first lunar landing. During flight preparation, the crew spent over 300 hours in simulators, both at the Manned Spacecraft Center and atCape Kennedy. Mission Control linked with Young in the command module simulator and Stafford and Cernan in the lunar module simulator to provide realistic training. The crew selected the call signCharlie Brown for the command module andSnoopy for the lunar module, in reference to thePeanuts comic strip byCharles M. Schulz.[9]: 300–302
On May 18, 1969, Apollo 10 launched at 11:49 a.m. After thetrans-lunar injection (TLI) burn, Young successfully docked the command module with the lunar module.[9]: 303 Young took celestial navigation measurements while en route to theMoon as a contingency for a loss of communication. Apollo 10 completed one midcourse correction, and Young performed the retrograde maneuver to bring the spacecraft into orbit 110 km (68 mi) above the lunar surface. On May 22, Stafford and Cernan entered the lunar module but were concerned that the docking ports' alignment had slipped by 3.5°. Apollo Program Spacecraft managerGeorge M. Low determined that it was within acceptable limits, and the two spacecraft undocked. Young examined the lunar module after the two spacecraft were separated by 9 m (30 ft) and then maneuvered the command module 3.5 km (2.2 mi) away.[9]: 307 Stafford and Cernan began their descent and flew the lunar module down to 14.447 km (8.977 mi) above the lunar surface. The lunar module crew tested the abort guidance system but had accidentally changed its setting from "attitude hold" to "automatic". As they prepared for the ascent, the lunar module began maneuvering as its automatic setting caused it to search for the command module. Stafford regained control of the spacecraft and flew the ascent towards the meeting with the command module.[9]: 310–311 Young flew alone in the command module (thus becoming the first person to orbit the moon alone) and prepared to maneuver to the lunar module in the event that its ascent engine did not work.[1]: 133–134 Once the lunar module rendezvoused with the command module, Young successfully docked the two spacecraft.[9]: 311 The crew transferred to the command module and undocked from the lunar module, which was flown by Mission Control into asolar orbit. While still in lunar orbit, Young tracked landmarks in preparation for a lunar landing, then flew thetrans-Earth injection (TEI) maneuver.[1]: 134–136 On May 26, Apollo 10reentered the Earth's atmosphere and safely landed 690 km (430 mi) fromSamoa. It landed 6 km (3.7 mi) from its recovery ship,USS Princeton, and the crew was recovered by helicopter.[9]: 312
Young as the Apollo 16 commanderYoung jumps while saluting theAmerican flag during Apollo 16.Young test driving the lunar rover on EVA 1
Young was assigned as backup commander ofApollo 13, along withCharles Duke andJack Swigert. Duke exposed both the primary and backup crews to theGerman measles, causing the replacement ofKen Mattingly, who was not immune to German measles, by Swigert as the command module pilot two days prior to the launch.[10]: 88 [11]
On March 3, 1971, Young was assigned as the commander ofApollo 16, along with Duke and Mattingly.[12] Their backup crew wasFred Haise,Stuart Roosa, andEdgar D. Mitchell.[13] The mission's science objective was to study material from thelunar highlands, as they were believed to contain volcanic material older than thelunar mare that had been the sites of the previous Apollo landings.[12] The Apollo Site Selection Board considered landing sites atAlphonsus crater and theDescartes Highlands, and it chose the Descartes Highlands as the Apollo 16 landing site on June 3. The mission science kit contained instruments to sample and photograph the lunar surface, as well as amagnetometer and aseismometer. Additionally, the crew brought anultraviolet camera andspectrograph to study interplanetary and intergalactichydrogen.[14]: 244 To prepare for their EVAs, Young and Duke participated in field exercises in geological research. They conducted field work at theMono craters in California to learn how to identifylava domes andtuff and theSudbury Basin to studybreccia.[15]: 289–290
Apollo 16 successfully launched at 12:54 p.m. on April 16, 1972. After the spacecraft reachedEarth orbit, several problems developed with theS-IVBattitude control system, but Apollo 16 was still able to perform its trans-lunar injection burn. Mattingly docked the command module with the lunar module, and the crew decided to perform an early checkout of the lunar module over concerns that it had been damaged but found no issues. Apollo 16 flew behind the Moon 74 hours into the mission and entered into a 20 × 108 km (12 × 67 mi) elliptical orbit. The next day, Duke and Young entered the lunar module and undocked, but Mattingly soon reported an issue with the thrust vector controls on theservice propulsion system, which would have prevented the command module from maneuvering in case the lunar module was unable to complete its rendezvous. After a delay, Mission Control approved the landing, and Young and Duke began their descent 5 hours and 42 minutes later than scheduled. As the lunar module descended, its projected landing location was 600 m (2,000 ft) north and 400 m (1,300 ft) west of its target location. Young took corrective action to adjust their landing location, and the lunar module landed 270 m (890 ft) north and 60 m (200 ft) west of its target location.[12]
On April 21 Young and Duke began their first EVA.[12] Young was the first to exit the lunar module, and his first words on the lunar surface were "I'm glad they got ol'Brer Rabbit here, back in the briar patch where he belongs".[16] The two astronauts set up thelunar rover, and deployed theApollo Lunar Surface Experiments Package (ALSEP).[12] Mission Control informed Young that theU.S. House of Representatives had passed that year's space budget, which included funding to begin theSpace Shuttle program.[17] Young tripped over the cables to theheat flow sensors, which irreparably broke the sensors' communication link with Earth.[12] The two astronauts conducted aseismic experiment using pneumatic hammers[18] and began a traverse toFlag crater, which was 1.4 km (0.87 mi) west of the landing site.[12][19] They set up a geology station at the crater, and collectedBig Muley, a 11.7 kg (26 lb) breccia that was the largest lunar rock collected during the Apollo program.[20][21] Young and Duke traveled back towards the lunar module, stopping atSpook and Buster craters along the way.[22] Before ending the EVA, they tested the maneuverability of the lunar rover. They finished the EVA after seven hours on the lunar surface.[12]
Young and Duke conducted their second EVA on April 22.[12] They traveled toCinco crater to sample at three geology sites, with the goal of findingejecta from theSouth Ray crater.[23] After they traveled to collect samples at the nearby Wreck crater, the rover's navigation system failed, forcing the two astronauts to manually navigate back to the lunar module.[1]: 187 On their return trip, they stopped at the Apollo Lunar Surface Experiments Package to take soil samples.[15]: 299 They returned to the lunar module and finished their EVA after seven hours on the lunar surface.[12] The third EVA began on the morning of April 23. The two astronauts drove toNorth Ray crater and collected rock samples from its rim. They collected further samples from outside the crater to allow scientists to recreate the crater'sstratigraphy using its ejecta.[15]: 301 They returned to the lunar module and parked the rover to allow its cameras to broadcast their ascent.[1]: 189 They ended their EVA after five hours; it was shorter than the previous two because of the delayed landing on the lunar surface.[24]
On April 24, the lunar module successfully ascended into lunar orbit and docked with the command module.[15]: 301 The astronauts transferred the 94 kg (207 lb) of lunar samples that they collected and jettisoned the lunar module. The command module completed its trans-Earth injection burn and began its flight back to Earth, during which time Mattingly performed an EVA to recover film from the exterior cameras and conduct an experiment onmicrobe exposure to ultraviolet sunlight. The command module (CM) reentered the atmosphere on April 27 and landed in the ocean approximately 350 km (220 mi) southeast ofChristmas Island, and the crew was recovered aboardUSS Ticonderoga.[1]: 194 [12][25] After the mission, Young was assigned as theApollo 17 backup commander, along with Duke as the backup lunar module pilot and Stuart A. Roosa as the backup command module pilot.[26] The backup crew was originally theApollo 15 crew, but were removed after NASA management learned of theirplan to sell the unauthorized postal covers they took to the lunar surface.[1]: 198
In January 1973, Young was made Chief of the Space Shuttle Branch of the Astronaut Office. At the time, the overall Space Shuttle specifications and manufacturers had been determined, and Young's role was to serve as a liaison for the astronauts to provide design input. Young's office recommended changes for the orbiter's RCSthrusters,star tracker, and thermal radiators.[1]: 213–216 In January 1974, he becameChief of the Astronaut Office after the departure ofAlan B. Shepard Jr. One of his first roles after taking over the office was overseeing the end of theSkylab program and theApollo-Soyuz Test Project (ASTP) mission, but the remainder of the spaceflights during his tenure were Space Shuttle missions.[1]: 216–218 Young flew in theT-38 Talon chase planes for several of theApproach and Landing Tests (ALT) of theSpace ShuttleEnterprise.[1]: 221
The first launch attempt for STS-1 to launch was on April 10, 1981, but the launch was postponed at T–18 minutes due to a computer error. STS-1 launched at 7:00 a.m. on April 12 fromLC-39A at the Kennedy Space Center.[28]: 2–1 The first stage of the launch flew higher than anticipated, and thesolid rocket boosters separated approximately 3,000 m (9,800 ft) higher than the original plan. The rest of the launch went as expected, and STS-1 successfully entered Earth orbit.[1]: 230–231 Vice PresidentGeorge H. W. Bush called the crew during their first full day in orbit to congratulate them on their successful mission.[29]: 141–142 The crew inspected their thermal tiles and determined that some had been lost during launch. Amid concerns that the underside ofColumbia might have also lost some thermal shielding, aKH-11 KENNEN satellite was used to image the orbiter and it was determined that the orbiter could safely reenter the atmosphere.[1]: 232 [27]: 336 Young and Crippen tested the orbital maneuvering capabilities of the orbiter, as well as its mechanical and computer systems.[1]: 232–234 STS-1 reentered the atmosphere and landed on April 14 atEdwards Air Force Base, California.[30]: III-24
Young (left) andRobert Parker (right) eating on theColumbia middeck during STS-9
As the chief of the Astronaut Office, Young recommended the crews that flew on the subsequent test and operational Space Shuttle missions. Young would routinely sit in the simulators alongside the crews to determine their effectiveness, and he flew theShuttle Training Aircraft (STA) to test landing approaches prior to the orbiter landing.[1]: 240–242
In 1983, Young flew as the commander ofSTS-9 aboardSpace ShuttleColumbia. His pilot wasBrewster H. Shaw, his twomission specialists wereOwen K. Garriott andRobert A. Parker, and his twopayload specialists wereByron K. Lichtenberg andWest German astronautUlf Merbold. The mission was initially scheduled to launch on October 29, but was delayed by a problem with the right solid rocket booster.[1]: 247–248 The flight launched from LC-39A at 11:00 a.m. on November 28.[28]: 2–9 [30]: III-44 It carried the firstSpacelab module into orbit, and the crew had to conduct a shift-based schedule to maximize on-orbit research in astronomy, atmospheric and space physics, andlife sciences. Young tested a new portable onboard computer, and attempted to photograph Soviet airfields asColumbia orbited overhead.[1]: 249–250 Prior to reentry, two ofColumbia's four primaryGeneral Purpose Computers (GPC) failed, which caused a delay in landing as they had to reset them and load the Entry Options Control Mode into an alternate GPC. After the GPC was repaired,Columbia successfully reentered the atmosphere and landed at Edwards Air Force Base on December 8.[28]: 2–9 [30]: III-44
Young remained as the chief of the Astronaut Office after STS-9. He was critical of NASA management following theSpace ShuttleChallenger disaster and blamed the disaster on the lack of safety culture within the Space Shuttle program. Young testified before theRogers Commission, and suggested improvements for the safety program at NASA.[2][31]: 189 Young had been scheduled to fly as the commander ofSTS-61-J to deploy theHubble Space Telescope, but the mission was canceled as a result of theChallenger disaster.[32]
In May 1987, Young was replaced as the chief of the Astronaut Office byDaniel C. Brandenstein and was reassigned as Special Assistant to Johnson Space Center DirectorAaron Cohen for Engineering, Operations and Safety.[6][33] Young believed that his reassignment was the result of his public criticism of NASA management.[1]: 295 He oversaw the redesign of the solid rocket boosters to prevent a repeat of theChallenger disaster and advocated for the strengthening of the thermal protection tiles at the chin-section of the orbiters.[1]: 295–298 He continued to work on safety improvements in the Space Shuttle program, including improving the landing surfaces, installation ofemergency drag parachutes, the inclusion of theGlobal Positioning System (GPS) into the Space Shuttle's navigation system, and improving landing simulations.[1]: 299–307 In February 1996, he was assigned as the Associate Director (Technical) of Johnson Space Center,[6] where he was involved in the development of theShuttle–Mir program and the design process for theInternational Space Station (ISS).[1]: 326–328
After working at NASA for over 42 years Young retired on December 31, 2004. During his career, he flew for more than 15,275 hours, including more than 9,200 hours in T-38s and 835 hours inspacecraft during six space flights. Additionally, he spent over 15,000 hours in training to prepare for eleven primary and backup crew positions.[6]
Following his retirement, Young worked as a public speaker, and advocated for the importance ofasteroid impact avoidance,colonization of the Moon, andclimate engineering.[1]: 374 [6] In April 2006, Young and Crippen appeared at the 25th anniversary of the STS-1 launch at the Kennedy Space Center and spoke of their experiences during the flight.[34][35] In November 2011, Young and Crippen met with the crew ofSTS-135, the last Space Shuttle mission.[36]
In 2012, Young andJames R. Hansen co-authored his autobiography,Forever Young.[1]
Young died on January 5, 2018, at his home in Houston, of complications frompneumonia, at the age of 87.[2] He was interred atArlington National Cemetery on April 30, 2019.[38] He was remembered by NASA as the man who "walked on the Moon during Apollo 16 and commanded the first space shuttle mission."[39]
Northrop Grumman announced in 2018 that theCygnus spacecraft forCygnus NG-10, their tenth cargo resupply mission to the International Space Station, would be namedS.S. John Young.[53] Cygnus NG-10 successfully launched on November 17, 2018, and concluded its mission on February 25, 2019.[54]
^abcdefBoswell, Blount, ed. (1952).Blue Print. Vol. 45. Georgia Institute of Technology.hdl:1853/25833.Archived from the original on February 20, 2021. RetrievedMay 15, 2013.
^ab"John Watts Young". Navy Office of Information, Biographies Branch. April 10, 1972.Archived from the original on January 19, 2023. RetrievedOctober 14, 2020. This article incorporates text from this source, which is in thepublic domain.
^abcdefghi"John W. Young"(PDF).Biographical Data. NASA. December 2018.Archived(PDF) from the original on September 20, 2021. RetrievedSeptember 2, 2020. This article incorporates text from this source, which is in thepublic domain.
^Williams, David R. (May 14, 2020)."Gemini 3".NASA Space Science Data Coordinated Archive. NASA.Archived from the original on May 30, 2020. RetrievedNovember 4, 2020.
^"Apollo 13 Crew". Washington, D.C.: Smithsonian National Air and Space Museum.Archived from the original on October 24, 2020. RetrievedNovember 20, 2020.
^abcdefghijkBrandt, Tim (January 19, 2019)."Apollo 16 Flight Summary".Apollo Flight Journal. NASA.Archived from the original on July 21, 2019. RetrievedOctober 5, 2020. This article incorporates text from this source, which is in thepublic domain.
^"Apollo 16 Crew".The Apollo Program. Washington, D.C.: National Air and Space Museum.Archived from the original on June 28, 2021. RetrievedNovember 15, 2020.
^Jones, Eric (December 7, 2012)."Back in the Briar Patch".Apollo Lunar Surface Journal. NASA.Archived from the original on December 31, 2020. RetrievedNovember 19, 2020. This article incorporates text from this source, which is in thepublic domain.
^Jones, Eric (April 24, 2017)."ALSEP Off-load".Apollo Lunar Surface Journal. NASA.Archived from the original on February 3, 2023. RetrievedNovember 19, 2020. This article incorporates text from this source, which is in thepublic domain.
^Jones, Eric (May 24, 2012)."Thumper/Geophone Experiment". NASA.Archived from the original on February 3, 2023. RetrievedNovember 19, 2020. This article incorporates text from this source, which is in thepublic domain.
^"Apollo 16 Traverses".National Aeronautics and Space Administration Lunar Photomap. Defense Mapping Agency. March 1975.Archived from the original on February 3, 2023. RetrievedNovember 19, 2020. This article incorporates text from this source, which is in thepublic domain.
^Jones, Eric (April 7, 2018)."Station 1 at Plum Crater".Apollo Lunar Surface Journal. NASA.Archived from the original on February 25, 2021. RetrievedNovember 19, 2020. This article incorporates text from this source, which is in thepublic domain.
^Meyer, C. (2009)."61016"(PDF).Apollo Lunar Surface Journal. NASA.Archived(PDF) from the original on August 16, 2011. RetrievedOctober 1, 2020. This article incorporates text from this source, which is in thepublic domain.
^Jones, Eric (May 1, 2018)."Station 2 at Buster Crater".Apollo Lunar Surface Journal. NASA.Archived from the original on February 24, 2021. RetrievedNovember 19, 2020. This article incorporates text from this source, which is in thepublic domain.
^Portree, David (July 5, 2018)."John Young at South Ray Crater".Lunar Reconnaissance Orbiter Camera. Arizona State University.Archived from the original on February 3, 2023. RetrievedNovember 19, 2020.
^Jones, Eric (September 14, 2006)."Descartes Surprise".Apollo Lunar Surface Journal. NASA.Archived from the original on December 31, 2020. RetrievedNovember 20, 2020. This article incorporates text from this source, which is in thepublic domain.
^"Apollo 16 Timeline". NASA. 2004.Archived from the original on December 31, 2020. RetrievedOctober 5, 2020. This article incorporates text from this source, which is in thepublic domain.
^"Apollo 17 Crew". Washington, D.C.: Smithsonian National Air and Space Museum. June 9, 2016. RetrievedMarch 7, 2023.
^abcLegler, Robert D.; Bennet, Floyd V. (September 2011)."Space Shuttle Missions Summary"(PDF). NASA.Archived(PDF) from the original on February 3, 2023. RetrievedNovember 21, 2020. This article incorporates text from this source, which is in thepublic domain.
^"STS-1". NASA. December 8, 2010. RetrievedNovember 21, 2020. This article incorporates text from this source, which is in thepublic domain.
^abcJenkins, Dennis R. (2016).Space Shuttle: Developing an Icon – 1972–2013. Cape Canaveral, Florida: Specialty Press.ISBN978-1-58007-249-6.
^Steitz, David; Hartsfield, James (August 7, 2017)."NASA Pioneer Aaron Cohen Dies". NASA.Archived from the original on May 4, 2010. RetrievedOctober 14, 2020. This article incorporates text from this source, which is in thepublic domain.
^"Wedding".Newspapers.com. The Orlando Sentinel. December 4, 1955. p. 75.Archived from the original on February 3, 2023. RetrievedApril 21, 2022.
^"ANC Explorer". US Army. 2019.Archived from the original on October 16, 2020. RetrievedDecember 16, 2020. This article incorporates text from this source, which is in thepublic domain.
^"Historical Recipient List"(PDF). NASA.Archived(PDF) from the original on December 2, 2016. RetrievedOctober 19, 2020. This article incorporates text from this source, which is in thepublic domain.
^"Enshrinee John Young".nationalaviation.org. National Aviation Hall of Fame. RetrievedFebruary 28, 2023.
^Clark, Amy (March 14, 1993)."Activities Honor Gemini Astronauts".Florida Today. Cocoa, Florida. p. 41.Archived from the original on July 6, 2019. RetrievedJuly 6, 2019 – via Newspapers.com.
^"John W. Young".International Air & Space Hall of Fame. San Diego Air & Space Museum. 2020.Archived from the original on February 3, 2023. RetrievedDecember 3, 2020.
^"Our Aviators". Georgia Aviation Hall of Fame. 2020.Archived from the original on February 3, 2023. RetrievedNovember 23, 2020.
^"Cygnus NG-10".Missions Database. European Space Agency. 2020.Archived from the original on October 21, 2020. RetrievedOctober 19, 2020.
^"5362 Johnyoung".JPL Small-Body Database. Jet Propulsion Laboratory. 2020.Archived from the original on February 3, 2023. RetrievedOctober 19, 2020. This article incorporates text from this source, which is in thepublic domain.