Tag Archives: Astronaut

15 May 1963, 13:04:13.106 UTC, T plus 00:00:00.106

Leroy Gordon Cooper (March 6, 1927 – October 4, 2004). NASA photograph.
Major L. Gordon Cooper, Jr., United States Air Force. NASA Astronaut. (March 6, 1927 – October 4, 2004). Major Cooper is wearing a modified U.S. Navy Mark IV full-pressure suit produced by B.F. Goodrich. (NASA photograph)

15 May 1963: At 8:04:13.106 a.m., Eastern Standard Time, Mercury-Atlas 9, carrying NASA astronaut, L. Gordon Cooper aboard Faith 7, lifted off from Launch Complex 14, Cape Canaveral Air Force Base, Florida. Cooper reported, “The liftoff was smooth, but very definite, the acceleration was very pleasant. The booster had a very good feel to it and it felt like we were real on the go, there.” The maximum acceleration experienced during launch was 7.6 gs.

Faith 7 separated from the Atlas booster at T+00:05:05.5.3 and entered low Earth orbit with an apogee of 165.9 statute miles (267.0 kilometers) and perigee of 100.3 statute miles (161.4 kilometers). The orbital period was 88 minutes, 45 seconds. The spacecraft’s velocity was 25,714.0 feet per second (7,837.6 meters per second), or 17,532.3 miles per hour (28,215.5 kilometers per hour).

MA-9 was the final flight of Project Mercury. Gordon Cooper flew 22.5 orbits. Due to electrical system problems that began on the 21st orbit, he had to fly a manual reentry which resulted in the most accurate landing of the Mercury program.

The spacecraft’s three retrorockets fired 5 second intervals beginning at T+33:59:30. 34 hours, 19 minutes, 49 seconds after lift off, Faith 7 “splashed down” approximately 70 miles (112.7 kilometers) southeast of Midway Atoll in the North Pacific Ocean, just 4.4 miles (7.1 kilometers) from the primary recovery ship, the United States Navy Ticonderoga-class aircraft carrier USS Kearsarge (CV-33).

The Mercury spacecraft, which Cooper named Faith 7, was built by McDonnell Aircraft Corporation, St. Louis, Missouri, which would also build the follow-on, two-place Gemini spacecraft. It was the 20th and final Mercury capsule to be built, and was one of four which were modified to support a day-long mission. Some items considered unnecessary were deleted and extra oxygen and battery capacity was added.

Designed to carry one pilot, the Mercury space craft could be controlled in pitch, roll and yaw by thrusters. The space capsule was truncated cone with sides angled 20° from the longitudinal axis. It was 6 feet, 10 inches (2.083 meters) long and had a maximum diameter of 6 feet, 2.50 inches (1.892 meters). The total height of the spacecraft, from the tip of the aero spike to the booster adapter, was 26 feet, 1.26 inches (7.957 meters). Faith 7 weighed 4,330.82 pounds (1,964.43 kilograms) at liftoff.

During flight outside the atmosphere, the Mercury spacecraft could be controlled in its pitch, roll and yaw axes by hydrogen peroxide-fueled reaction control thrusters. Both manual and automatic attitude control were available. It could not accelerate or decelerate (except for reentry) so it could not change its orbit.

The spacecraft cabin was pressurized to 5.5 psi with 100% oxygen. Gordon Cooper wore a modified  B.F. Goodrich Mark IV full-pressure suit and flight helmet for protection in the event that cabin pressure was lost. Cooper’s suit varied considerably from those worn by previous Mercury astronauts.

Mercury-Atlas 9 at Laucnh Complex 14. The gantry has been pulled back, but the rocket has not been filled with propellants. (NASA)
Mercury-Atlas 9 at Launch Complex 14. The gantry has been pulled back, but the rocket has not been filled with propellants. Two men at the lower right of the image provide scale.(NASA)

The rocket, a “1-½ stage” liquid-fueled Atlas LV-3B, number 109-D, was built by the  Convair Division of General Dynamics at San Diego, California. It was developed from a U.S. Air Force SM-65 Atlas D intercontinental ballistic missile, modified for use as a “man-rated” orbital launch vehicle.

The LV-3B was 65 feet (19.812 meters) long from the base to the Mercury adapter section, and the tank section is 10 feet (3.038 meters) in diameter. The complete Mercury-Atlas orbital launch vehicle is 93 feet (28.436 meters) tall, including the escape tower. When ready for launch it weighed approximately 260,000 pounds (117,934 kilograms).

The Atlas’ three engines were built by the Rocketdyne Division of North American Aviation, Inc., at Canoga Park, California. Two Rocketdyne LR89-NA-5 engines and one LR105-NA-5 produced 341,140 pounds (1,517.466 kilonewtons) of thrust. The rocket was fueled by a highly-refined kerosene, RP-1, with liquid oxygen as the oxidizer.

Diagram of Atlas LV-3B (Space Launch Report)
Diagram of Atlas LV-3B with dimensions. (Space Launch Report)

Faith 7 is displayed at the Space Center Houston, the visitor center for the Johnson Space Flight Center, Houston, Texas.

Faith 7 and Atlas 130_D lift off from Launch Complex 14 at the Cape Canaveral Air Force Station, Florida, at 13:04:13 UTC, 13 May 1963. (NASA)
Mercury Atlas 9 (MA-9), consisting of  Faith 7 and Atlas 130-D, lifts off from Launch Complex 14 at the Cape Canaveral Air Force Station, Florida, at 13:04:13 UTC, 15 May 1963. (NASA)

© 2017, Bryan R. Swopes

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William Harvey Dana (3 November 1930-6 May 2014)

William Harvey Dana, NASA Research Pilot

William Harvey Dana, (Oracle 1948)

William Harvey Dana was born 3 November 1930 at Pasadena, California, the first of two children of Harvey Drexler Dana, a geologist, and Rose Frances Jourdan Dana. (Sister, Antoinette). Dana grew up in Bakersfield, California. He graduated from Bakersfield High School in 1948.

Bill Dana received an appointment as a cadet at the United States Military Academy, West Point, New York,. He graduated 1952 and was commissioned as a second lieutenant in the United States Air Force. Lieutenant Dana served until 1956.

In 1958, Dana earned a Master of Science degree in Aeronautical Engineering from the University of California, Los Angeles, California.

On 1 October 1958, Dana began as 40-year career at the NASA High-Speed Flight Station, Edwards Air Force Base, California, as an Aeronautical Research Engineer. (This was the day that the National Aeronautics and Space Administration was established, making Dana the first new employee to be hired by NASA). He was assigned to work on an X-15 performance simulator, and also to the North American XF-107 stability research program.

In September 1959, Bill Dana transferred to the Flight Operations Branch. One of his early projects was the North American Aviation JF-100C variable stability research aircraft.

NASA JF-100C Variable Stability Research Aircraft

IN 1962 Bill Dana married Miss Judi Miller. They would have four children, Sidney, Matt, Janet, and Leslie.

Dana made his first flight in the North American Aviation X-15 hypersonic research rocketplane on 4 November 1965. he reached a maximum speed of Mach 4.22, and a peak altitude of 80,200 feet (24,445 meters). He made a total of sixteen flights in the X-15s. Dana’s highest speed was Mach 5.34, 4 August 1966, and his highest altitude, 306,900 feet, (93,543 meters), on 1 November 1966. On 24 October 1968, Dana flew the final X-15 flight of the NASA X-15 Hypersonic Research program.

NASA Research Pilot William H. Dana with North American X-15A 56-6672 on Rogers Dry Lake. (NASA)

Bill Dana also flew NASA’s experimental “lifting body” aircraft. On 27 February 1970, he flew the Northrop HL-10 lifting body to 90,030 feet (27,441 meters), the highest altitude reached during its flight test program.

Bill Dana with the HL-10 lifting body, NASA 804. (NASA E-20168)
Dana watches the NB-52B fly over Rogers Dry Lake after HL-10 lifting-body flight, 30 November 1968. (NASA ECN-2203)

He made the first flight of the Northrop M2-F3, 2 June 1970. The M2-F3 was built from the M2-F2, which had been heavily damaged in a dramatic landing accident, 10 May 1967, resulting in severe injuries to the pilot, Bruce Peterson.

Wreck of NASA 803, 10 May 1967. (NASA E-16731)

On 23 September 1975, Bill Dana made the final powered flight of the Martin Marietta X-24B lifting body aircraft.

NASA Research Pilot William H. Dana with the X-24B lifting body, 1975. (NASA)

Bill Dana was assigned as the Chief Pilot of the NASA Dryden Flight Research Center, and in 1986, became the Assistant Chief Flight Operations Division at Dryden.

Bill Dana was the project pilot for NASA 835, the experimental F-15 HIDEC (Highly Integrated Digital Electronic Control) and NASA 840, the F/A-18 Hornet HARV (High Alpha Research Vehicle).

Bill Dana was the project pilot for NASA 835, the experimental F-15 HIDEC (Highly Integrated Digital Electronic Control), and NASA 840, the F/A-18 Hornet HARV (High Alpha Research Vehicle). (NASA)

Dana stopped test flying after 1993, when he was appointed Chief Engineer, NASA Dryden Flight Research Center. In 1997, he was awarded the NASA Distinguished Service Medal. He retired from NASA in 1998.

Bill Dana flew more than 8,000 hours in over 60 different aircraft types.

In 2000, NASA awarded Dana its Milton O. Thompson Lifetime Achievement Award, and on 23 August 2005, he was presented NASA’s Civilian Astronaut wings for his two X-15 flights above 50 miles.

William Harvey Dana died at Phoenix, Arizona, 6 May 2014, at the age of 83 years. He was buried at the Joshua Memorial Park in Lancaster, California.

William Henry (“Bill”) Dana, 2005. (NASA)

© 2018, Bryan R. Swopes

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5 May 1961, 13:34:13.48 UTC, T plus 00:00:00.48

Mercury-Redstone 3 lifts off from LC-5, 09:34:13 EST, 5 May 1961. (NASA)
Alan Bartlett Shepard Jr., astronaut. (NASA)
Alan Bartlett Shepard Jr., Astronaut. (NASA)

At 09:34:13.48 a.m., Eastern Standard Time, 5 May 1961, Mercury-Redstone 3 lifted off from Launch Complex 5 at the Cape Canaveral Air Force Station, Cape Canaveral, Florida. On board was a NASA Astronaut, Commander Alan Bartlett Shepard, Jr., United States Navy. Shepard had named his spacecraft Freedom 7.

This was the very first time that an American had been carried into space aboard a rocket and came 23 days after Soviet Union Cosmonaut Yuri Alekseyevich Gagarin had completed one orbit of the Earth.

During the launch, acceleration reached 6.3 gs. The Redstone’s engine shut down at T+02:22, with the rocket having reached a velocity of 6,414 feet per second (1,955 meters per second). 10 seconds later, the Mercury spacecraft separated from the Redstone booster. The spacecraft’s maximum speed was 5,134 miles per hour (8,262.4 kilometers per hour). For the next 5 minutes, 4 seconds, Alan Shepard was “weightless.” Freedom 7 reached a peak altitude of 101.2 nautical miles (187.4 kilometers), 0.9 nautical miles (1.7 kilometers) higher than planned.

Alan B. Shepard, Jr., seated in the cockpit of Freedom 7 before launch, 5 May 1961. (NASA)

Alan Shepard’s flight was suborbital. The rocket launched the capsule on a ballistic trajectory. Shepard experienced “weightlessness” for approximately 5 minutes. During the flight, Shepard demonstrated the use of manually controlled thrusters to orient the Mercury capsule in three axes.

Freedom 7 began reentry to the atmosphere at T+07:38. Deceleration forces reached 11.0 gs. Shepard manually controlled the vehicle’s attitude, and once correctly oriented for reentry, reverted to automatic control. With the blunt (bottom) end of the spacecraft forward, aerodynamic drag slowed the capsule. A spherical-segment ablative Beryllium heat shield protected the space ship and its passenger.

On reaching the lower atmosphere, the capsule’s speed was reduced by a 63-foot (19.2 meter) diameter ring-sail parachute, and a “landing bag” deployed from the base of the spacecraft to provide an impact cushion. The landing, or “splash down,” took place in the Atlantic Ocean, 263.1 nautical miles (487.3 kilometers) down range, 6.8 nautical miles (12.6 kilometers) farther than planned. (N. 75° 53′, W. 27° 13.7′)

The total duration of Alan Shepard’s flight was 15 minutes, 28 seconds. All mission objectives were accomplished and no malfunctions occurred.

Alan B. Shepard, Jr., being hoisted aboard the Sikorsky HUS-1 helicopter, N. 75° 53′, W. 27° 13.7′, in the Atlantic Ocean, 5 May 1961. (NASA)

Eleven minutes after splash down, Commander Shepard was hoisted from the capsule to a hovering U.S. Marine Corps HUS-1 Sea Horse (Sikorsky S-58) helicopter of Marine Helicopter Transport Squadron (Light) 262 (HMR(L)-262).¹ The helicopter then lifted the Mercury capsule and flew to the nearby U.S. Navy Ticonderoga-class anti-submarine aircraft carrier, USS Lake Champlain (CVS-39). The Mercury capsule returned to Cape Canaveral for inspection and found to be in excellent condition.

U.S. Marine Corps HUS-1 Sea Horse (Sikorsky S-58) of HMR(L)-262 hovers while hoisting Alan Shepard from the Freedom 7 after his sub-orbital flight, 5 May 1961. The Mercury capsule will also be lifted from the ocean by the helicopter and carried to USS Lake Champlain (CVS-39). (NASA)
USS Lake Champlain (CVS-39), 1 July 1960. (U.S. Navy)

Freedom 7 was the seventh of twenty Mercury capsules built by McDonnell Aircraft Corporation at St. Louis, Missouri, which would also build the follow-on, two-place Gemini spacecraft. It was delivered to Cape Canaveral 9 December 1960.

The space capsule was truncated cone with sides angled 20° from the longitudinal axis. It was 6 feet, 10 inches (2.083 meters) long and had a maximum diameter of 6 feet, 2.50 inches (1.892 meters). The total height of the spacecraft, from the tip of the aero spike to the booster adapter, was 26 feet, 1.26 inches (7.957 meters). At launch, Freedom 7 weighed 4,040.28 pounds (1,832.64 kilograms).

Project Mercury spacecraft under construction at McDonnell Aircraft Corporation, St. Louis, Missouri. (NASA)

During flight outside the atmosphere, the Mercury spacecraft could be controlled in its pitch, roll and yaw axes by hydrogen peroxide-fueled reaction control thrusters. Both manual and automatic attitude control were available. It could not accelerate or decelerate (except for reentry), so it could not change its orbit.

The spacecraft cabin was pressurized to 5.5 psi (0.38 Bar) with 100% oxygen. The astronaut wore a B.F. Goodrich Mark IV Model 3 Type I full-pressure suit and flight helmet for protection in the event that cabin pressure was lost.

The Redstone MRLV rocket was a redesigned, “man rated” version of the Chrysler Corporation Missile Division-built United States Army M8 Redstone nuclear-armed medium range ballistic missile (MRBM). It was lengthened to provide greater fuel capacity, a pressurized instrumentation section was added, the control systems were simplified for greater reliability, and an inflight abort sensing system was installed. The rocket fuel was changed from hydrazine to ethyl alcohol.

The cylindrical booster was  59.00 feet (17.983 meters) long and 5 feet, 10 inches (1.778 meters) in diameter. The rocket had four guidance fins with rudders mounted at the tail section. (Interestingly, the Redstone stood freely on the launch pad. No hold-downs were used. The guidance fins supported the entire weight of the vehicle.)

Compare the U.S. Army M8 Redstone medium-range ballistic missile in this photograph to the Mercury-Redstone launch vehicle in the photograph above. This rocket, CC-1002, was the first Block 1 tactical rocket, photographed at Cape Canaveral Air Force Station, 16 May 1958. (NASA)

The Redstone MRLV was powered by a single liquid-fueled NAA 75-110-A7 rocket engine built by the Rocketdyne Division of North American Aviation, Inc., at Canoga Park, California. The A7 produced 78,000 pounds of thrust (346.96 kilonewtons) at Sea Level, and 89,000 pounds (395.89 kilonewtons) in vacuum, burning ethyl alcohol with liquid oxygen.

The total vehicle height of Mercury-Redstone 3, including the booster, adapter, capsule and escape tower, was 83.38 feet (25.414 meters). The total vehicle launch weight was 65,987 pounds (29,931.2 kilograms).

Alan B. Shepard, Jr. is credited with two Fédération Aéronautique Internationale (FAI) World Records for this flight:

FAI Record File Num #9519 [Direct Link]
Status: ratified – current record
Region: World
Class: K (Space records)
Sub-Class: K-1 (Suborbital missions)
Category: Spacecraft with one astronaut
Group: General category
Type of record: Altitude
Performance: 186.307 km
Date: 1961-05-05
Course/Location: Cape Canaveral, FL (USA)
Claimant Alan B. Shepard, Jr (USA)
Spacecraft: NASA Mercury Redstone MR-7 / Capsule Mercury Spacecraft n°7

FAI Record File Num #9520 [Direct Link]
Status: ratified – current record
Region: World
Class: K (Space records)
Sub-Class: K-1 (Suborbital missions)
Category: Spacecraft with one astronaut
Group: General category
Type of record: Greatest mass lifted to altitude
Performance: 1 832.51 kg
Date: 1961-05-05
Course/Location: Cape Canaveral, FL (USA)
Claimant Alan B. Shepard, Jr (USA)
Spacecraft: NASA Mercury Redstone MR-7 / Capsule Mercury Spacecraft n°7

The flight of Freedom 7 was the first manned spaceflight in the 50-year history of the NASA program.¹ Alan Shepard would later command Apollo 14, the third successful manned lunar landing mission, in 1971.

Alan Shepard’s Mercury spacecraft, Freedom 7, is on display at the John F. Kennedy Presidential Library and Museum, Boston, Massachusetts.

Alan Shepard’s Freedom 7 on display at the John F. Kennedy Presidential Library and Museum, Boston, Massachusetts.

¹ Sikorsky HUS-1 Sea Horse, Bu. No. 148767, modex ET-44. Sikorsky serial number 581318.

²  From the liftoff of Mercury-Redstone 3 until wheel stop of Space Shuttle Discovery (STS-135), the era of NASA’s Manned Spaceflight Programs lasted 50 years, 2 months, 15 days, 20 hours, 23 minutes, 41 seconds.

© 2018, Bryan R. Swopes

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Virgil Ivan Grissom, 3 April 1926 – 27 January 1967

Astronaut Virgil I. Grissom with scale model of Gemini/Titan II launch vehicle. (NASA)
Virgil Ivan Grissom (1944 Gold and Blue)

3 April 1926: Virgil Ivan Grissom was born at Mitchell, Indiana, the second of five children of Dennis David Grissom, an electrician, and Cecil King Grissom. “Gus” Grissom attended Mitchell High School, graduating in 1944. He was a member of the Hi-Y Club, the Camera Club, and the Signal Club.

Upon graduation from high school. Virgil I. Grissom enlisted as an aviation cadet in the Air Corps, United States Army, at Fort Benjamin Harrison, Lawrence, Indiana, 9 August 1944. He was assigned to basic flight training at Sheppard Field, Texas, but the War came to an end before he could graduate as a pilot. Then reassigned as a clerk, he requested to be discharged from the Air Corps, which he was in November 1945.

Grissom married Miss Betty Lavonne Moore at Mitchell, Indiana, 6 July 1945. They wood have two sons, Scott and Mark. (In Korea, Grissom named his F-86 Scotty after his first son.)

After the war, Grissom enrolled at Purdue University, Lafayette, Indiana, and in 1950, graduated with the degree of Bachelor of Science in Mechanical Engineering.

He then re-joined the U.S. Air Force in 1950 and was trained at Randolph Air Force Base, Texas, and Williams Air Base, Arizona, where he specialized as a fighter pilot.  He was commissioned as a second lieutenant, U.S. Air Force, in March 1952.

Lieutenant Grissom was assigned to he 334th Fighter Interceptor Squadron, 4th Fighter Interceptor Wing, based at Kenpo Air Base (K-14), in the Republic of South Korea. He flew 100 combat missions in the North American Aviation F-86 Sabre. Grissom was promoted to first lieutenant, 11 March 1952. he requested to fly another 25 combat missions, but that was declined and he returned to the United States. Lieutenant Grissom was then assigned as a flight instructor at Bryan Air Force Base, Texas.

Grissom attended a one year program at the Air Force Institute of Technology at Wright-Patterson Air Force Base, Dayton, Ohio, and earned a second bachelor’s degree in aircraft engineering. He was then sent to the Air Force Test Pilot School at Edwards Air Force Base, California (Class 56D). After completion, he was assigned as a fighter test pilot back at Wright-Patterson.

One of 508 pilots who were considered by NASA for Project Mercury, Gus Grissom was in the group of 110 that were asked to attend secret meetings for further evaluation. From that group, 32 went on with the selection process and finally 18 were recommended for the program. Grissom was one of the seven selected.

Mercury-Redstone 4 (Liberty Bell 7) launch at Pad 5, Cape Canaveral Air Force Station, 12 20 36 UTC, 21 July 1961. (NASA)

Major Grissom was the second American to “ride the rocket” aboard Mercury-Redstone 4. He named his space capsule Liberty Bell 7. The spacecraft reached a maximum altitude of 102.8 nautical miles (118.3 statute miles, 190.4 kilometers) and traveled 262.5 nautical miles (302.1 statute miles, 486.2 kilometers) down range. During the 15 minute, 37 second, flight, Grissom was weightless for 5:00 minutes.

Next he orbited Earth as commander of Gemini III along with fellow astronaut John Young. He was back-up commander for Gemini VI-A, then went on to the Apollo Program.

The flight crew of Gemini III, John W. Young and Virgil I. Grissom. (NASA)

Gus Grissom was selected as the commander for Apollo I in January 1968. This was to be the first manned flight of the Apollo spacecraft. Ed White and Roger Chaffee were the other members of the flight crew.

As commander of AS-204 (Apollo I), LCOL Virgil I. Grissom, USAF was killed along with Ed White and Roger Chafee during a test on the launchpad, 27 January 1967.

The crew of Apollo 1. Left to right, Lieutenant Colonel Virgil I. Grissom, United States Air Force, Lieutenant Colonel Edward H. White II, United States Air Force, and Lieutenant Commander Roger B. Chaffee, United States Navy. (NASA)

Gus Grissom was an Air Force Command Astronaut with over 4,600 hours flight time. He was the first American astronaut to fly into space twice, and logged 5 hours, 7 minutes of space flight. For his military service, Grissom was awarded the Distinguished Flying Cross; the Air Medal with one bronze oak leaf cluster (two awards); the American Campaign medal; the World War II Victory Medal; teh Korean Service Medal; the United Nations Korea medal, and the Korean War Service Medal of the Republic of South Korea. For his NASA service, he was awarded the Congressional Space Medal of Honor (posthumous); the NASA Distinguished Service Medal (two awards); and the NASA Exceptional Service Medal.

Had he lived, it is very possible that Grissom would have commanded the first Apollo mission to land on The Moon.

The remains of Lieutenant Colonel Virgil Ivan Grissom, United States Air Force, NASA Astronaut, are buried at the Arlington National Cemetery, Arlington, Virginia.

© 2018, Bryan R. Swopes

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23 March 1965

Gemini III lifts off at Launch Complex 19, Kennedy Space Center, Cape Canaveral, Florida, 14:24:00 UTC, 23 March 1965. (NASA)
Gemini III lifts off at Launch Complex 19, Cape Kennedy Air Force Station, Cape Canaveral, Florida, 14:24:00 UTC, 23 March 1965. (NASA)

23 March 1965: At 14:24:00 UTC, Gemini III was launched aboard a Titan II GLV  rocket from Launch Complex 19 at the Cape Kennedy Air Force Station, Cape Canaveral, Florida. Major Virgil I. (“Gus”) Grissom, United States Air Force, a Project Mercury veteran, was the Spacecraft Commander, and Lieutenant Commander John W. Young, United States Navy, was the pilot.

The purpose of the mission was to test spacecraft orbital maneuvering capabilities that would be necessary in later flights of the Gemini and Apollo programs. Gemini III made three orbits of the Earth, and splashed down after 4 hours, 52 minutes, 31 seconds. Miscalculations of the Gemini capsule’s aerodynamics caused the spacecraft to miss the intended splash down point by 50 miles (80 kilometers). Gemini III splashed down in the Atlantic Ocean, north east of the Turks and Caicos Islands. The recovery ship was USS Intrepid (CV-11).

Gus Grissom would later command the flight crew of Apollo 1. He was killed with his crew during the tragic fire  during a pre-launch test, 27 January 1967.

John Young served as Spacecraft Commander for Gemini 10, Command Module Pilot on Apollo 10, back-up commander for Apollo 13, commander Apollo 16, and back-up commander for Apollo 17. Later, he was commander of the maiden flight of the space shuttle Columbia STS-1 and again for STS-9 and was in line to command STS-61J.

The flight crew of Gemini III, John W. Young and Virgil I. Grissom. (NASA)
The flight crew of Gemini III, Lieutenant Commander John W. Young, U.S. Navy, and Major Virgil I. Grissom, U.S. Air Force. (NASA)

The two-man Gemini spacecraft was built by the McDonnell Aircraft Corporation of St. Louis, the same company that built the earlier Mercury space capsule. The spacecraft consisted of a reentry module and an adapter section. It had an overall length of 19 feet (5.791 meters) and a diameter of 10 feet (3.048 meters) at the base of the adapter section. The reentry module was 11 feet (3.353 meters) long with a diameter of 7.5 feet (2.347 meters). The weight of the Gemini varied from ship to ship but was approximately 7,000 pounds (3,175 kilograms)

The Titan II GLV was a “man-rated” variant of the Martin SM-68B intercontinental ballistic missile. It was assembled at Martin’s Middle River, Maryland plant so as not to interfere with the production of the ICBM at Denver, Colorado. Twelve GLVs were ordered by the Air Force for the Gemini Program.

The Titan II GLV was a two-stage, liquid-fueled rocket. The first stage was 63 feet (19.202 meters) long with a diameter of 10 feet (3.048 meters). The second stage was 27 feet (8.230 meters) long, with the same diameter. The 1st stage was powered by an Aerojet Engineering Corporation LR-87-7 engine which combined two combustion chambers and exhaust nozzles with a single turbopump unit. The engine was fueled by a hypergolic combination of hydrazine and nitrogen tetroxide. Ignition occurred spontaneously as the two components were combined in the combustion chambers. The LR-87-7 produced 430,000 pounds of thrust. It was not throttled and could not be shut down and restarted. The 2nd stage used an Aerojet LR-91 engine which produced 100,000 pounds of thrust.

The Gemini/Titan II GLV combination had a total height of 109 feet (33.223 meters) and weighed approximately 340,000 pounds (154,220 kilograms) when fueled.

The Gemini III spacecraft is displayed at the Grissom Memorial Museum, Spring Mill State Park, Mitchell, Indiana.

© 2016, Bryan R. Swopes

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