Joe Henry Engle (August 26, 1932 – July 10, 2024) was an American pilot,
aeronautical engineer
Aerospace engineering is the primary field of engineering concerned with the development of aircraft and spacecraft. It has two major and overlapping branches: aeronautical engineering and astronautical engineering. Avionics engineering is s ...
, and
NASA
The National Aeronautics and Space Administration (NASA ) is an independent agencies of the United States government, independent agency of the federal government of the United States, US federal government responsible for the United States ...
astronaut
An astronaut (from the Ancient Greek (), meaning 'star', and (), meaning 'sailor') is a person trained, equipped, and deployed by a List of human spaceflight programs, human spaceflight program to serve as a commander or crew member of a spa ...
. He was the commander of two
Space Shuttle
The Space Shuttle is a retired, partially reusable launch system, reusable low Earth orbital spacecraft system operated from 1981 to 2011 by the U.S. National Aeronautics and Space Administration (NASA) as part of the Space Shuttle program. ...
missions including
STS-2
STS-2 was the second Space Shuttle mission conducted by NASA, and the second flight of the orbiter Space Shuttle Columbia, ''Columbia''. The mission, crewed by Joe Engle, Joe H. Engle and Richard H. Truly, launched on November 12, 1981, and lan ...
in 1981, the program's second orbital flight. He also flew two flights in the Shuttle program's 1977
Approach and Landing Tests
The Approach and Landing Tests were a series of sixteen taxiing, taxi and flight trials of the prototype Space Shuttle Orbiter, Space Shuttle ''Space Shuttle Enterprise, Enterprise'' that took place between February and October 1977 to test the ...
. Engle was one of twelve pilots who flew the
North American X-15
The North American X-15 is a Hypersonic speed, hypersonic rocket-powered aircraft which was operated by the United States Air Force and the National Aeronautics and Space Administration (NASA) as part of the List of X-planes, X-plane series of ...
, an experimental
spaceplane
A spaceplane is a vehicle that can flight, fly and gliding flight, glide as an aircraft in Earth's atmosphere and function as a spacecraft in outer space. To do so, spaceplanes must incorporate features of both aircraft and spacecraft. Orbit ...
jointly operated by the Air Force and NASA.
As an X-15 pilot, Engle made three flights above , thus qualifying for
astronaut wings
United States astronaut badges are the various badges of the United States which are awarded to military and civilian personnel of the National Aeronautics and Space Administration, the various child departments of the Department of Defense, or ...
under the American convention for the
boundary of space. In 1966, he was selected for NASA's
5th Astronaut Group, joining the
Apollo program
The Apollo program, also known as Project Apollo, was the United States human spaceflight program led by NASA, which Moon landing, landed the first humans on the Moon in 1969. Apollo followed Project Mercury that put the first Americans in sp ...
. He was backup
Lunar Module
The Apollo Lunar Module (LM ), originally designated the Lunar Excursion Module (LEM), was the lunar lander spacecraft that was flown between lunar orbit and the Moon's surface during the United States' Apollo program. It was the first crewed s ...
Pilot (LMP) for
Apollo 14
Apollo 14 (January 31February 9, 1971) was the eighth crewed mission in the United States Apollo program, the third to Moon landing, land on the Moon, and the first to land in the Geology of the Moon#Highlands, lunar highlands. It was the las ...
and was originally scheduled to walk on the Moon as LMP for
Apollo 17
Apollo 17 (December 7–19, 1972) was the eleventh and final mission of NASA's Apollo program, the sixth and most recent time humans have set foot on the Moon. Commander Gene Cernan and Lunar Module Pilot Harrison Schmitt walked on the Moon, ...
. However, cancellation of later flights prompted NASA to select geologist-astronaut
Harrison Schmitt
Harrison Hagan "Jack" Schmitt (born July 3, 1935) is an American geologist, former NASA astronaut, university professor, former U.S. senator from New Mexico. He is the most recent living person—and only person without a background in military a ...
as the Lunar Module Pilot, displacing Engle.
Biography
Personal life and education
Engle was born on August 26, 1932, in
Abilene, Kansas
Abilene (pronounced ) is a city in and the county seat of Dickinson County, Kansas, United States. As of the 2020 United States census, 2020 census, the population of the city was 6,460. It is home of the Dwight D. Eisenhower Presidential Libra ...
.
He was raised in
Chapman, Kansas
Chapman is a city in Dickinson County, Kansas, Dickinson County, Kansas, United States. As of the 2020 United States census, 2020 census, the population of the city was 1,377.
History
The first settlement was made at Chapman in 1868, and the ...
, where he attended primary and secondary school. Engle graduated from
Dickinson County High School in 1950.
He was active as a
Boy Scout
A Scout, Boy Scout, Girl Scout or, in some countries, a Pathfinder is a participant in the Scout Movement, usually aged 10–18 years, who engage in learning scoutcraft and outdoor and other special interest activities. Some Scout organizatio ...
and earned the rank of
First Class.
Engle received a
Bachelor of Science
A Bachelor of Science (BS, BSc, B.S., B.Sc., SB, or ScB; from the Latin ') is a bachelor's degree that is awarded for programs that generally last three to five years.
The first university to admit a student to the degree of Bachelor of Scienc ...
degree in
Aerospace Engineering
Aerospace engineering is the primary field of engineering concerned with the development of aircraft and spacecraft. It has two major and overlapping branches: aeronautical engineering and astronautical engineering. Avionics engineering is s ...
from the
University of Kansas
The University of Kansas (KU) is a public research university with its main campus in Lawrence, Kansas, United States. Two branch campuses are in the Kansas City metropolitan area on the Kansas side: the university's medical school and hospital ...
in 1955, where he was a member of the
Theta Tau
Theta Tau () is a professional collegiate engineering fraternity. The fraternity has programs to promote the social, academic, and professional development of its members. Theta Tau is the oldest and largest professional engineering fraternity ...
Professional Engineering Fraternity.
Engle was married to the former Mary Catherine Lawrence (1934–2004) of
Mission Hills, Kansas, and had two children and one stepchild.
After her death, he married Jeanie Carter of
Houston, Texas
Houston ( ) is the List of cities in Texas by population, most populous city in the U.S. state of Texas and in the Southern United States. Located in Southeast Texas near Galveston Bay and the Gulf of Mexico, it is the county seat, seat of ...
.
Engle's recreational interests included
flying (including
World War II
World War II or the Second World War (1 September 1939 – 2 September 1945) was a World war, global conflict between two coalitions: the Allies of World War II, Allies and the Axis powers. World War II by country, Nearly all of the wo ...
fighter aircraft),
big game hunting
Big-game hunting is the hunting of large game animals for Trophy hunting, trophies, taxidermy, meat, and commercially valuable animal product, animal by-products (such as horn (anatomy), horns, antlers, tusks, bones, fur, body fat, or special o ...
,
backpacking
Backpacking may refer to:
* Backpacking (travel), low-cost, independent, international travel
* Backpacking (hiking), trekking and camping overnight in the wilderness
* Ultralight backpacking, a style of wilderness backpacking with an emphasis on ...
, and athletics.
He was a member of the
Society of Experimental Test Pilots and became a Fellow in 2009.
Engle died at his home in Houston, Texas on July 10, 2024, at the age of 91.
With Engle's death, all 12 pilots to fly the X-15 are now deceased.
Flight experience

Engle received his commission in the U.S. Air Force through the
Air Force Reserve Officer Training Corps
The Air Force Reserve Officers' Training Corps (AFROTC) is one of the three primary commissioning sources for officers in the United States Air Force and United States Space Force, the other two being the United States Air Force Academy (USAFA ...
at the
University of Kansas
The University of Kansas (KU) is a public research university with its main campus in Lawrence, Kansas, United States. Two branch campuses are in the Kansas City metropolitan area on the Kansas side: the university's medical school and hospital ...
. While in school he was a member of the Professional Engineering Fraternity
Theta Tau
Theta Tau () is a professional collegiate engineering fraternity. The fraternity has programs to promote the social, academic, and professional development of its members. Theta Tau is the oldest and largest professional engineering fraternity ...
, and decided to become a
test pilot
A test pilot is an aircraft pilot with additional training to fly and evaluate experimental, newly produced and modified aircraft with specific maneuvers, known as flight test techniques.Stinton, Darrol. ''Flying Qualities and Flight Testin ...
. While working at
Cessna Aircraft
Cessna () is an American brand of general aviation aircraft owned by Textron Aviation since 2014, headquartered in Wichita, Kansas. Originally, it was a brand of the Cessna Aircraft Company, an American general aviation aircraft manufacturin ...
during the summer, he learned how to fly from a fellow
draftsman, Henry Dittmer.
Engle entered flying school in 1957, and received his
pilot wings in 1958. He flew the
F-100 Super Sabre with the
474th Fighter Day Squadron and the
309th Tactical Fighter Squadron at
George Air Force Base
George Air Force Base was a United States Air Force base located within the city limits, 8 miles northwest, of central Victorville, California, about 75 miles northeast of Los Angeles, California.
Established by the United States Army Air C ...
, California.
Chuck Yeager
Brigadier general (United States), Brigadier General Charles Elwood Yeager ( , February 13, 1923December 7, 2020) was a United States Air Force officer, flying ace, and record-setting test pilot who in October 1947 became the first pilot in his ...
recommended Engle for
Air Force Experimental Flight Test Pilot School, from which he graduated in 1961, and he was later assigned to the third class of the
Aerospace Research Pilot School, despite his reluctance to leave "stick and rudder" flying for a
space capsule
A space capsule is a spacecraft designed to transport cargo, scientific experiments, and/or astronauts to and from space. Capsules are distinguished from other spacecraft by the ability to survive reentry and return a payload to the Earth's surfa ...
.
After serving as a test pilot in the Fighter Test Group at
Edwards Air Force Base
Edwards Air Force Base (AFB) is a United States Air Force installation in California. Most of the base sits in Kern County, California, Kern County, but its eastern end is in San Bernardino County, California, San Bernardino County and a souther ...
, California, Engle was a test pilot in the
X-15 research program at Edwards from June 1963 until his assignment to the Manned Spacecraft Center (now the
Lyndon B. Johnson Space Center). Engle had applied with fellow ARPS student
Charles Bassett and
Michael Collins to the
third NASA astronaut group, but the Air Force withdrew Engle's NASA application and instead chose him to replace
Robert M. White in the X-15 program, which pleased Engle.
Engle's parents witnessed his X-15 flight of June 29, 1965, which exceeded an altitude of 50 miles (80 km) and qualified him for
astronaut wings
United States astronaut badges are the various badges of the United States which are awarded to military and civilian personnel of the National Aeronautics and Space Administration, the various child departments of the Department of Defense, or ...
; he again exceeded 50 miles twice during his career of 16 flights.
On his final X-15 mission, free flight 153 (1-61-101), which took place on October 14, 1965, he became the first of only two pilots to accomplish a sub-orbital space flight in an X-15 without the benefit of the assistance provided by the MH-96 adaptive flight control system. Despite what he later called "the best flying job in the world", Engle decided to apply again to NASA as he expected to be rotated to another Air Force assignment within a year and hoped to go to the Moon.
Engle flew over 185 different types of aircraft (25 different fighters) during his career, logging more than 15,400 hours flight time of which 9,000 were in
jet aircraft
A jet aircraft (or simply jet) is an aircraft (nearly always a fixed-wing aircraft) propelled by one or more jet engines.
Whereas the engines in Propeller (aircraft), propeller-powered aircraft generally achieve their maximum efficiency at much ...
.
NASA career

Engle was one of
19 astronauts selected by NASA in April 1966. He served on the support crew for
Apollo 10
Apollo 10 (May 18–26, 1969) was the fourth human spaceflight in the United States' Apollo program and the second to orbit the Moon. NASA, the mission's operator, described it as a "dress rehearsal" for the first Moon landing (Apollo 11, two ...
. He then served as backup
Lunar Module
The Apollo Lunar Module (LM ), originally designated the Lunar Excursion Module (LEM), was the lunar lander spacecraft that was flown between lunar orbit and the Moon's surface during the United States' Apollo program. It was the first crewed s ...
Pilot for the
Apollo 14
Apollo 14 (January 31February 9, 1971) was the eighth crewed mission in the United States Apollo program, the third to Moon landing, land on the Moon, and the first to land in the Geology of the Moon#Highlands, lunar highlands. It was the las ...
mission. He was due to land on the
Moon
The Moon is Earth's only natural satellite. It Orbit of the Moon, orbits around Earth at Lunar distance, an average distance of (; about 30 times Earth diameter, Earth's diameter). The Moon rotation, rotates, with a rotation period (lunar ...
as Lunar Module Pilot for
Apollo 17
Apollo 17 (December 7–19, 1972) was the eleventh and final mission of NASA's Apollo program, the sixth and most recent time humans have set foot on the Moon. Commander Gene Cernan and Lunar Module Pilot Harrison Schmitt walked on the Moon, ...
, but was replaced by geologist
Harrison Schmitt
Harrison Hagan "Jack" Schmitt (born July 3, 1935) is an American geologist, former NASA astronaut, university professor, former U.S. senator from New Mexico. He is the most recent living person—and only person without a background in military a ...
. This was a result of pressure from the scientific community to have a professional geologist explore the Moon, and not just test pilot engineers who had been given rudimentary geology training. In response to getting bumped from the mission, he said "When you think about it, the lunar missions were geology-oriented."
According to Engle,
Deke Slayton
Donald Kent "Deke" Slayton (March 1, 1924 – June 13, 1993) was an American Air Force pilot, aeronautical engineer, test pilot, and one of the original NASA Mercury Seven astronauts. He went on to become NASA's first Chief of the Astronaut O ...
asked him whether he would prefer to fly on
Skylab
Skylab was the United States' first space station, launched by NASA, occupied for about 24 weeks between May 1973 and February 1974. It was operated by three trios of astronaut crews: Skylab 2, Skylab 3, and Skylab 4. Skylab was constructe ...
,
Apollo–Soyuz
Apollo–Soyuz was the first crewed international Space exploration, space mission, carried out jointly by the United States and the Soviet Union in July 1975. Millions of people around the world watched on television as an American Apollo comm ...
, or the Space Shuttle; Engle responded that he would prefer the Shuttle as it was an airplane.
Engle was commander of one of the two crews that flew the
Space Shuttle Approach and Landing Test Flights from June through October 1977. The
Space Shuttle ''Enterprise'' was carried to 25,000 feet on top of the
Boeing 747
The Boeing 747 is a long-range wide-body aircraft, wide-body airliner designed and manufactured by Boeing Commercial Airplanes in the United States between 1968 and 2023.
After the introduction of the Boeing 707, 707 in October 1958, Pan Am ...
carrier aircraft, and then released for its two-minute glide flight to landing. In this series of flight tests, Engle evaluated the Orbiter handling qualities and landing characteristics, and obtained the stability and control, and performance data in the subsonic flight envelope for the Space Shuttle. He was the backup commander for
STS-1, the first orbital test flight of
Space Shuttle ''Columbia''. Together with pilot
Richard Truly he flew as commander on the second flight of the Space Shuttle,
STS-2
STS-2 was the second Space Shuttle mission conducted by NASA, and the second flight of the orbiter Space Shuttle Columbia, ''Columbia''. The mission, crewed by Joe Engle, Joe H. Engle and Richard H. Truly, launched on November 12, 1981, and lan ...
, becoming the last NASA rookie to command a spaceflight until
Raja Chari in 2021 on
SpaceX Crew-3. He was also mission commander on
STS-51-I and logged over 225 hours in space.
Engle was one of two people to have flown into space on two different types of winged vehicles: the
X-15
The North American X-15 is a Hypersonic speed, hypersonic rocket-powered aircraft which was operated by the United States Air Force and the National Aeronautics and Space Administration (NASA) as part of the List of X-planes, X-plane series of ...
and the Space Shuttle, on STS-2 (the other person being
Frederick W. Sturckow). Engle manually flew large numbers of flight-test maneuvers on the Shuttle during reentry and landing; periods of manually flown test maneuvers were interspersed with periods of computer control.
He served as deputy associate administrator for manned space flight at NASA Headquarters from March to December 1982.
He retained his astronaut flight status and returned to
Johnson Space Center
The Lyndon B. Johnson Space Center (JSC) is NASA's center for human spaceflight in Houston, Texas (originally named the Manned Spacecraft Center), where human spaceflight training, research, and flight controller, flight control are conducted. ...
in January 1983.
He also participated in the
''Challenger'' disaster investigation in 1986, and did other consulting work on the Shuttle well into the 1990s.
Post-NASA career
Engle retired from the USAF with the rank of
colonel
Colonel ( ; abbreviated as Col., Col, or COL) is a senior military Officer (armed forces), officer rank used in many countries. It is also used in some police forces and paramilitary organizations.
In the 17th, 18th, and 19th centuries, a colon ...
on November 14, 1986, and from NASA on November 28, 1986.
On December 1, 1986, he was appointed by the
Governor of Kansas and the
United States Secretary of the Air Force
The secretary of the Air Force, sometimes referred to as the secretary of the Department of the Air Force, (SecAF, or SAF/OS) is the head of the United States Department of the Air Force, Department of the Air Force and the service secretary for ...
to a billet in the
Kansas Air National Guard at the rank of
brigadier general, initially serving as a special assistant to the
adjutant general. Under this arrangement, Engle was permitted to retain Houston residency.
The discrepancy between his Air Force and Air National Guard ranks was rectified by Senate confirmation of his promotion on February 2, 1988.
He subsequently served as
Air National Guard
The Air National Guard (ANG), also known as the Air Guard, is a Reserve components of the United States Armed Forces, federal military reserve force of the United States Air Force, as well as the air militia (United States), militia of each U.S. ...
assistant to the commander in chief,
United States Space Command
United States Space Command (USSPACECOM or SPACECOM) is a unified combatant command of the United States Department of Defense, responsible for military operations in outer space, specifically all operations 100 kilometers (62 miles) and greater ...
and
North American Air Defense Command
North American Aerospace Defense Command (NORAD ; , CDAAN), known until March 1981 as the North American Air Defense Command, is a combined organization of the United States and Canada that provides aerospace warning, air sovereignty, and pr ...
(NORAD), with headquarters at
Peterson Air Force Base,
Colorado
Colorado is a U.S. state, state in the Western United States. It is one of the Mountain states, sharing the Four Corners region with Arizona, New Mexico, and Utah. It is also bordered by Wyoming to the north, Nebraska to the northeast, Kansas ...
. Engle ultimately retired from the Air National Guard around 1991 at the rank of
major general, a promotion previously confirmed by the Senate on June 22, 1989.
In 1992, he was inducted into the
Aerospace Walk of Honor.
In 2001, Engle was inducted into the
National Aviation Hall of Fame
The National Aviation Hall of Fame (NAHF) is a museum, annual awards ceremony and learning and research center that was founded in 1962 as an Ohio non-profit corporation in Dayton, Ohio, United States, known as the "Birthplace of Aviation" with ...
and the
U.S. Astronaut Hall of Fame.
Awards and honors

*
USAF Astronaut Badge (1964)
*
Defense Distinguished Service Medal
The Defense Distinguished Service Medal is a military decoration of the United States Department of Defense, which is presented to United States Armed Forces service members for exceptionally distinguished performance of duty contributing to the ...
– "for outstanding achievements"
*
Air Force Distinguished Service Medal
The Distinguished Service Medal (DSM) is a military decoration of the United States Air Force and United States Space Force and is presented to airmen and guardians to recognize distinguished and exceptionally meritorious service to the United S ...
(1985)
*
Distinguished Flying Cross, twice (1964 and 1978) – "for outstanding achievements"
*
NASA Distinguished Service Medal
The NASA Distinguished Service Medal is the highest award that can be bestowed by the National Aeronautics and Space Administration of the United States. The medal may be presented to any member of the federal government, including both milita ...
* Two
NASA Space Flight Medal
The NASA Space Flight Medal is a decoration of the National Aeronautics and Space Administration. According to its statutes, it is awarded "for significant achievement or service during individual participation as a civilian or military astronau ...
s
*
NASA Exceptional Service Medal
The NASA Exceptional Service Medal is an award granted to U.S. government employees for significant sustained performance characterized by unusual initiative or creative ability that clearly demonstrates substantial improvement in engineering, a ...
* NASA Special Achievement Award
* USAF Outstanding Young Officer of the Year (1964)
* Kansan of the Year (1964)
*
U.S. Junior Chamber of Commerce's one of the Ten Outstanding Young Men of America (1964)
*
American Institute of Aeronautics and Astronautics
The American Institute of Aeronautics and Astronautics (AIAA) is a professional society for the field of aerospace engineering
Aerospace engineering is the primary field of engineering concerned with the development of aircraft and spacecra ...
(AIAA) Pioneer of Flight Award (1965)
* AIAA Lawrence Sperry Award for Flight Research (1966)
*
Iven C. Kincheloe Prize awarded by the
Society of Experimental Test Pilots (1977) – for taking part in testing the Space Shuttle ''Enterprise''
* AIAA Haley Space Flight Award (1980)
*
Dr. Robert H. Goddard Memorial Trophy
*
Robert J. Collier Trophy
*
Harmon International Trophy (1981)
*
University of Kansas
The University of Kansas (KU) is a public research university with its main campus in Lawrence, Kansas, United States. Two branch campuses are in the Kansas City metropolitan area on the Kansas side: the university's medical school and hospital ...
Distinguished Service Citation (1982)
* University of Kansas School of Engineering Distinguished Engineering Service Award (1982)
* General
Thomas D. White USAF Space Trophy, 1981
*
Aerospace Walk of Honor,
Lancaster, California
Lancaster is a charter city in northern Los Angeles County, California, Los Angeles County, in the Antelope Valley of the western Mojave Desert in Southern California, United States. As of the 2020 United States census, 2020 census, the popul ...
(1992)
*
National Aviation Hall of Fame
The National Aviation Hall of Fame (NAHF) is a museum, annual awards ceremony and learning and research center that was founded in 1962 as an Ohio non-profit corporation in Dayton, Ohio, United States, known as the "Birthplace of Aviation" with ...
,
Dayton, Ohio
Dayton () is a city in Montgomery County, Ohio, United States, and its county seat. It is the List of cities in Ohio, sixth-most populous city in Ohio, with a population of 137,644 at the 2020 United States census, 2020 census. The Dayton metro ...
(2001)
*
U.S. Astronaut Hall of Fame, Florida (2001)
* Award of Air Force Space and Missile Pioneers (2007)
*
International Air & Space Hall of Fame (2014)
[Sprekelmeyer, Linda, editor (2006). ''These We Honor: The International Aerospace Hall of Fame''. Donning Co. Publishers. .]
See also
*
The Astronaut Monument
The Astronaut Monument is a monument commemorating the training of Apollo program, Apollo Astronaut, astronauts in northern Iceland in 1965 and 1967. It is located outside the Exploration Museum in Húsavík, and contains the names of 32 Apollo as ...
References
Bibliography
*
External links
Iven C. Kincheloe AwardsJoe Engle() at the
National Aviation Hall of Fame
The National Aviation Hall of Fame (NAHF) is a museum, annual awards ceremony and learning and research center that was founded in 1962 as an Ohio non-profit corporation in Dayton, Ohio, United States, known as the "Birthplace of Aviation" with ...
Joe Engleat the
Kansas Historical Society
The Kansas Historical Society is the official state historical society of Kansas.
Headquartered in Topeka, it operates as "the trustee of the state" for the purpose of maintaining the state's history and operates the Kansas Museum of Histor ...
*
{{DEFAULTSORT:Engle, Joe
1932 births
1981 in spaceflight
1985 in spaceflight
2024 deaths
20th-century American businesspeople
American aerospace engineers
American test pilots
Aviators from Kansas
Canceled Apollo missions
Collier Trophy recipients
Harmon Trophy winners
Military personnel from Kansas
NASA people
National Aviation Hall of Fame inductees
People from Chapman, Kansas
People who have flown in suborbital spaceflight
Recipients of the Defense Distinguished Service Medal
Recipients of the Distinguished Flying Cross (United States)
Recipients of the NASA Distinguished Service Medal
Recipients of the NASA Exceptional Service Medal
Space Shuttle program astronauts
U.S. Air Force Test Pilot School alumni
United States Air Force astronauts
United States Air Force generals
United States Astronaut Hall of Fame inductees
University of Kansas alumni
X-15 program