Engine ignition of Mariner 2 Atlas Agena B at LC-12, Cape Canaveral AFS, 2:53 a.m., EST, 27 August 1962. (NASA)
27 August 1962: At 06:53:14 UTC (2:53 a.m., Eastern Daylight Time), Mariner 2 lifted off from Launch Complex 12 at Cape Canaveral Air Force Station, Florida, aboard an Atlas-Agena B launch vehicle. This was the second space probe to be sent to Venus.
Mariner 1 and 2 were identical space probes built by the Jet Propulsion Laboratory (JPL) of the California Institute of Technology (Caltech), Pasadena, California. The spacecraft were designed to obtain radiometric temperatures of Venus, and to measure the Interplanetary Magnetic Field.
The Mariner 1 mission failed when the launch vehicle veered off course and was destroyed by the Range Safety Officer, 4 minutes, 53 seconds into its flight, 22 July 1962.
Mariner 2 under final inspection. (NASA)
The Atlas Agena B combined an Atlas LV-3A rocket with an Agena B upper stage. The Atlas was derived from the U.S. Air Force SM-65 Atlas intercontinental ballistic missile (ICBM), and was built by the Convair Division of General Dynamics at San Diego, California.
The height of the total vehicle, including the protective shroud encasing Mariner, 103 feet, 5 inches (31.70 meters). The Atlas Agena B first stage was 20.70 meters (67 feet, 11 inches) long, with a maximum diameter of 3.05 meters (10 feet). The maximum width across the booster section was 4.88 meters (16 feet).
The LV-3A is a “1-½ stage” liquid-fueled rocket with three engines. The “half-stage,” was a booster section consisting of two LR89-NA-5 rocket engines. This stage produced approximately 369,800 pounds of thrust (1,645 kilonewtons). The center, or “sustainer,” engine is a LR105-NA-5, rated at 86,800 pounds of thrust (386 kilonewtons). Both engines were built by the Rocketdyne Division of North American Aviation, Inc., at Canoga Park, California. The Atlas rocket used liquid oxygen and RP-1 (a highly-refined kerosene) propellant. The LV-3A had a total thrust of 456,587 pounds (2,031 kilonewtons).
The second stage was an Agena B, built by Lockheed Missiles and Space Systems, Sunnyvale, California. This engine was capable of being restarted in orbit. The Agena B was 7.20 meters (23 feet, 7 inches) long and had a maximum diameter of 1.50 meters (4 feet, 11 inches). It was also liquid fueled, but used a hypergolic mixture of nitric acid and UDMH. The single engine was a Bell Aerosystems Company LR81-BA-7, with 16,000 pounds of thrust (71.1 kilonewtons).
The Mariner probe was mounted atop the Agena second stage, enclosed in a protective shroud. Mariner had a gross weight of 447 pounds (202.8 kilograms). The probe was 9 feet, 11 inches long (3.02 meters) long, folded for launch, and 5 feet (1.52 meters) wide. When antennas and the solar panels were fully expanded, the spacecraft was 11 feet, 11 inches (3.63 meters) long and had a span of 16 feet, 6 inches (5.03 meters).
Artist’s conception of Mariner 2 in interplanetary space. (NASA)
At liftoff, all three main engines were burning. After 2minutes, the two-engine booster assembly was jettisoned and the vehicle continued with the center LR105 sustainer. After 4 minutes, 25 seconds, this engine shut down and the Agena second stage separated. At this point, guidance was lost and the vehicle began to roll, but did not deviate significantly from the planned trajectory. About a minute later, guidance was restored and the mission continued.
The Agena B second stage placed the Mariner in a parking orbit at about 118 kilometers (73.3 miles) altitude. 16 minutes, 20 seconds later, the Agena engine was reignited and Mariner 2 was then placed on a trajectory planned to take it to Venus.
After 3 months, 17 days, at 19:59:28 UTC, 14 December 1962, the probe passed within 34,773 kilometers (21,607 miles) of Venus and measured the planet’s surface and cloud temperatures. It continued inward across the solar system and came within 105,464,560 kilometers (65,432,640 miles) of the sun.
The last transmission was received at 07:00 UTC, 3 January 1963, 129 days into the mission. Mariner 2 remains in orbit around the sun, circling every 292 days.
The Atlas Agena B, carrying Mariner 2, accelerates toward orbit, 06:53 UTC, 27 August 1962 (NASA)
29 July 1958: Dwight David Eisenhower, Thirty-fourth President of the United States of America, signed Public Law #85-568 (72 Stat. 426), the National Aeronautics and Space Act of 1958, which established the National Aeronautics and Space Administration (NASA).
Congress declared a requirement for aeronautics and space research, and
…that it is the policy of the United States that activities in space should be devoted to peaceful purposes for the benefit of all mankind.
Dwight David Eisenhower, 34th President of the United States of America. (Photographed by Louis Fabian Bachrach, Jr., 1952)
President Eisenhower had proposed civilian National Aeronautics and Space Agency to Congress in a letter sent 2 April 1958. The Bill passed on 16 July.
The proposal included an early black and white version of the NASA insignia. This had been designed by industrial artist George Neago of the Lockheed Missiles and Space Company, Sunnyvale, California, and submitted to NACA for a design competition.
Early black and white version of the NASA insignia. (George Neago, Lockheed Missiles and Space Company/National Advisory Committee for Aeronautics)
The red chevron in the NASA insignia is a representation of a wind tunnel model of Mach 3+ hypersonic wing that the insignia designers had observed during a tour of the NACA Langley Memorial Aeronautical Laboratory. This emphasizes the aeronautics mission of NASA.
A NACA Langley Memorial Aeronautical Laboratory wind tunnel model of a hypersonic wing, circa January 1958. (NASA/NACA L-00502)National Aeronautics and Space Administration insignia, circa 1963–1975. (NASA)
Sally Kristen Ride, Ph.D., Astronaut. (26 May 1951–23 July 2012)
NASA’s Condolences on the Passing of Sally Ride
In a space agency filled with trailblazers, Sally K. Ride was a pioneer of a different sort. The soft-spoken California physicist broke the gender barrier 29 years ago when she rode to orbit aboard space shuttle Challenger to become America’s first woman in space.
“Sally Ride broke barriers with grace and professionalism – and literally changed the face of America’s space program,” said NASA Administrator Charles Bolden. “The nation has lost one of its finest leaders, teachers and explorers. Our thoughts and prayers are with Sally’s family and the many she inspired. She will be missed, but her star will always shine brightly.”
“Sally was a personal and professional role model to me and thousands of women around the world,” said NASA Deputy Administrator Lori Garver. “Her spirit and determination will continue to be an inspiration for women everywhere.”
Ride’s contribution to America’s space program continued right up until her death at age 61 this week. After two trips to orbit aboard the shuttle, she went on an award-winning academic career at the University of California, San Diego, where her expertise and wisdom were widely sought on matters related to space. She holds the distinction of being the only person to serve as a member of both investigation boards following NASA’s two space shuttle accidents. She also served as a member of the Review of U.S. Human Spaceflight Plans Committee, also known as the Augustine Committee, in 2009, which informed many of the decisions about NASA’s current human spaceflight programs.
However, Ride’s place in history was assured on June 18, 1983 when she rocketed into space on Challenger’s STS-7 mission with four male crewmates.
“The fact that I was going to be the first American woman to go into space carried huge expectations along with it,” Ride recalled in an interview for the 25th anniversary of her flight in 2008. “That was made pretty clear the day that I was told I was selected as a crew. I was taken up to Chris Kraft’s office. He wanted to have a chat with me and make sure I knew what I was getting into before I went on the crew. I was so dazzled to be on the crew and go into space I remembered very little of what he said.”
“On launch day, there was so much excitement and so much happening around us in crew quarters, even on the way to the launch pad,” Ride said. “I didn’t really think about it that much at the time . . . but I came to appreciate what an honor it was to be selected to be the first to get a chance to go into space.”
Ride joined NASA as part of the 1978 astronaut class, the first to include women. She and five other women, along with 29 men, were selected out of 8,000 applicants. The class became known as the “Thirty-Five New Guys” and reported to the Johnson Space Center the next summer to begin training. Ride trained for five years before she and three of her classmates were assigned to STS-7. The six-day mission deployed two communications satellites and performed a number of science experiments.
Following that historic flight, Ride returned to space on another shuttle mission, STS-41G in 1984. The 8-day mission deployed the Earth Radiation Budget Satellite, conducted scientific observations of Earth, and demonstrated potential satellite refueling techniques. She was assigned to a third flight, but transitioned to a role on the Rogers Commission that investigated the Challenger accident after that shuttle was lost in January 1986. When the investigation was completed, she accepted a job as a special assistant to the NASA administrator for long range and strategic planning.
Ride left NASA in August 1987 to join the faculty at the University of California, San Diego, as a professor of physics and director of the University of California’s California Space Institute. In 2001, she founded her own company, Sally Ride Science, to pursue her long-time passion of motivating girls and young women to pursue careers in science, math and technology.
A native of Los Angeles, Ride graduated from high school there in 1968 and enrolled at Stanford University. At Stanford, she earned four degrees, including a doctorate in physics in 1978. She also was an accomplished athlete who played varsity tennis at Stanford after being nationally ranked as a youth.
Ride received numerous honors and awards during the course of her career. Most notably, she was inducted into the National Women’s Hall of Fame and the Astronaut Hall of Fame, and received the Jefferson Award for Public Service, the von Braun Award, the Lindbergh Eagle, and the NCAA’s Theodore Roosevelt Award.
—The above is from the official NASA web statement at
Alan Shepard suited up before the launch of Apollo 14. (NASA)
ALAN B. SHEPARD, JR. (REAR ADMIRAL, USN, RET.) NASA ASTRONAUT (DECEASED)
PERSONAL DATA: Born November 18, 1923, in East Derry, New Hampshire. Died on July 21, 1998. His wife, Louise, died on August 25, 1998. They are survived by daughters Julie, Laura and Alice, and six grandchildren.
EDUCATION: Attended primary and secondary schools in East Derry and Derry, New Hampshire; received a Bachelor of Science degree from the United States Naval Academy in 1944, an Honorary Master of Arts degree from Dartmouth College in 1962, and Honorary Doctorate of Science from Miami University (Oxford, Ohio) in 1971, and an Honorary Doctorate of Humanities from Franklin Pierce College in 1972. Graduated Naval Test Pilot School in 1951; Naval War College, Newport, Rhode Island in 1957.
ORGANIZATIONS: Fellow of the American Astronautical Society and the Society of Experimental Test Pilots; member of the Rotary, the Kiwanis, the Mayflower Society, the Order of the Cincinnati, and the American Fighter Aces; honorary member, Board of Directors for the Houston School for Deaf Children, Director, National Space Institute, and Director, Los Angeles Ear Research Institute.
SPECIAL HONORS: Congressional Medal of Honor (Space); Awarded two NASA Distinguished Service Medals, the NASA Exceptional Service Medal, the Navy Astronaut Wings, the Navy Distinguished Service Medal, and the Navy Distinguished Flying Cross; recipient of the Langley Medal (highest award of the Smithsonian Institution) on May 5, 1964, the Lambert Trophy, the Kinchloe Trophy, the Cabot Award, the Collier Trophy, the City of New York Gold Medal (1971), Achievement Award for 1971. Shepard was appointed by the President in July 1971 as a delegate to the 26th United Nations General Assembly and served through the entire assembly which lasted from September to December 1971.
EXPERIENCE: Shepard began his naval career, after graduation from Annapolis, on the destroyer COGSWELL, deployed in the pacific during World War II. He subsequently entered flight training at Corpus Christi, Texas, and Pensacola, Florida, and received his wings in 1947. His next assignment was with Fighter Squadron 42 at Norfolk, Virginia, and Jacksonville, Florida. He served several tours aboard aircraft carriers in the Mediterranean while with this squadron.
In 1950, he attended the United States Navy Test Pilot School at Patuxent River, Maryland. After graduation, he participated in flight test work which included high- altitude tests to obtain data on light at different altitudes and on a variety of air masses over the American continent; and test and development experiments of the Navy’s in-flight refueling system, carrier suitability trails of the F2H3 Banshee, and Navy trials of the first angled carrier deck. He was subsequently assigned to Fighter Squadron 193 at Moffett Field, California, a night fighter unit flying Banshee jets. As operations officer of this squadron, he made two tours to the Western pacific onboard the carrier ORISKANY.
He returned to Patuxent for a second tour of duty and engaged in flight testing the F3H Demon, F8U Crusader, F4D Skyray, and F11F Tigercat. He was also project test pilot on the F5D Skylancer, and his last five months at Patuxent were spent as an instructor in the Test Pilot School. He later attended the Naval War College at Newport, Rhode Island, and upon graduating in 1957 was subsequently assigned to the staff of the Commander-in-Chief, Atlantic Fleet, as aircraft readiness officer.
He has logged more than 8,000 hours flying time–3,700 hours in jet aircraft.
NASA EXPERIENCE: Rear Admiral Shepard was one of the Mercury astronauts named by NASA in April 1959, and he holds the distinction of being the first American to journey into space. On May 5, 1961, in the Freedom 7 spacecraft, he was launched by a Redstone vehicle on a ballistic trajectory suborbital flight–a flight which carried him to an altitude of 116 statute miles and to a landing point 302 statute miles down the Atlantic Missile Range.
In 1963, he was designated Chief of the Astronaut Office with responsibility for monitoring the coordination, scheduling, and control of all activities involving NASA astronauts. This included monitoring the development and implementation of effective training programs to assure the flight readiness of available pilot/non-pilot personnel for assignment to crew positions on manned space flights; furnishing pilot evaluations applicable to the design, construction, and operations of spacecraft systems and related equipment; and providing qualitative scientific and engineering observations to facilitate overall mission planning, formulation of feasible operational procedures, and selection and conduct of specific experiments for each flight. He was restored to full flight status in May 1969, following corrective surgery for an inner ear disorder.
Shepard made his second space flight as spacecraft commander on Apollo 14, January 31 – February 9, 1971. He was accompanied on man’s third lunar landing mission by Stuart A. Roosa, command module pilot, and Edgar D. Mitchell, lunar module pilot. Maneuvering their lunar module, “Antares,” to a landing in the hilly upland Fra Mauro region of the moon, Shepard and Mitchell subsequently deployed and activated various scientific equipment and experiments and collected almost 100 pounds of lunar samples for return to earth. Other Apollo 14 achievements included: first use of Mobile Equipment Transporter (MET); largest payload placed in lunar orbit; longest distance traversed on the lunar surface; largest payload returned from the lunar surface; longest lunar surface stay time (33 hours); longest lunar surface EVA (9 hours and 17 minutes); first use of shortened lunar orbit rendezvous techniques; first use of colored TV with new vidicon tube on lunar surface; and first extensive orbital science period conducted during CSM solo operations.
Rear Admiral Shepard has logged a total of 216 hours and 57 minutes in space, of which 9 hours and 17 minutes were spent in lunar surface EVA.
He resumed his duties as Chief of the Astronaut Office in June 1971 and served in this capacity until he retired from NASA and the Navy on August 1, 1974.
Shepard was in private business in Houston, Texas. He served as the President of the Mercury Seven Foundation, a non-profit organization which provides college science scholarships for deserving students.
—The above is the official NASA Biography of Alan Shepard from the Lyndon B. Johnson Space Center web site:
The Ascent Stage of the Lunar Module Eagle (LM-5) approaches the Command/Service Module Columbia in Lunar Orbit, approximately 2130 UTC, 21 July 1969. (Michael Collins, NASA)
21 July 1969: After spending a total of 21 hours, 36 minutes, 21 seconds on the surface of The Moon, astronauts Neil Armstrong and Buzz Aldrin fired the rocket engine of the Lunar Module’s Ascent Stage. The liftoff was at 17:54 UTC.
Three hours and forty minutes later, the Eagle ascent stage docked with Columbia, the Command/Service Module, in lunar orbit.
The Apollo 11 Command and Service Module, Columbia (CSM-107), in Lunar Orbit, as seen from the Lunar Module, Eagle. (NASA)
