Tag Archives: Manned Space Flight

7 August 1971, 20:45:53 UTC, T plus 295:11:53.0

Apollo 15 descends to the Pacific Ocean with two functional parachutes. (NASA)

7 August 1971: At 6:45 a.m., local time, 287 nautical miles (531 kilometers) north of Honolulu, Hawaii, the Apollo 15 command module Endeavour “splashed down” after twelve days in space. On board were Colonel David Randolph Scott, Mission Commander; Major Alfred Merrill Worden, Command Module Pilot; and Lieutenant Colonel James Benson Irwin, Lunar Module Pilot. All three were United States Air Force officers and NASA astronauts.

During the descent following reentry, one of the three main parachutes fouled. This did not cause any problems, though, as only two were necessary.

The spacecraft landed approximately 5.3 nautical miles (9.8 kilometers) from the primary recovery ship, the amphibious assault ship USS Okinawa (LPH-3).

The Apollo 15 flight crew disembarks the Sikorsky SH-3G recovery helicopter (Bu. No. 149930) aboard USS Okinawa (LPH-3), 21:25 UTC, 7 August 1971. Left to right, Scott, Worden, Irwin. (NASA)

Apollo 15 was the ninth manned mission of the Apollo Program, and the fourth to land on The Moon. The total duration of the flight was 12 days, 7 hours, 11 minutes, 53.0 seconds.

This was the first mission that the crew were not quarantined after returning to Earth.

The Apollo 15 command module is displayed at the National Museum of the United States Air Force, Wright-Patterson Air Force Base, Ohio.

Apollo 15 command module (CSM-112) at the National Museum of the United States Air Force. (U.S. Air Force)

© 2017, Bryan R. Swopes

Neil Alden Armstrong (5 August 1930–25 August 2012)

Neil Alden Armstrong, Astronaut, The First Human to Set Foot on the Surface of The Moon. (NASA)

The following is the official NASA biography from the John H. Glenn Research Center:

National Aeronautics and Space Administration
John H. Glenn Research Center
Lewis Field
Cleveland, Ohio 44135

Neil A. Armstrong

Neil A. Armstrong, the first man to walk on the moon, was born in Wapakoneta, Ohio, on August 5, 1930. He began his NASA career in Ohio.

After serving as a naval aviator from 1949 to 1952, Armstrong joined the National Advisory Committee for Aeronautics (NACA) in 1955. His first assignment was with the NACA Lewis Research Center (now NASA Glenn) in Cleveland. Over the next 17 years, he was an engineer, test pilot, astronaut and administrator for NACA and its successor agency, the National Aeronautics and Space Administration (NASA).

As a research pilot at NASA’s Flight Research Center, Edwards, Calif., he was a project pilot on many pioneering high speed aircraft, including the well known, 4000-mph X-15. He has flown over 200 different models of aircraft, including jets, rockets, helicopters and gliders.

Armstrong transferred to astronaut status in 1962. He was assigned as command pilot for the Gemini 8 mission. Gemini 8 was launched on March 16, 1966, and Armstrong performed the first successful docking of two vehicles in space.

As spacecraft commander for Apollo 11, the first manned lunar landing mission, Armstrong gained the distinction of being the first man to land a craft on the moon and first to step on its surface.

Armstrong subsequently held the position of Deputy Associate Administrator for Aeronautics, NASA Headquarters, Washington, D.C. In this position, he was responsible for the coordination and management of overall NASA research and technology work related to aeronautics.

He was Professor of Aerospace Engineering at the University of Cincinnati between 1971-1979. During the years 1982-1992, Armstrong was chairman of Computing Technologies for Aviation, Inc., Charlottesville, Va.

He received a Bachelor of Science Degree in Aeronautical Engineering from Purdue University and a Master of Science in Aerospace Engineering from the University of Southern California. He holds honorary doctorates from a number of universities.

Armstrong is a Fellow of the Society of Experimental Test Pilots and the Royal Aeronautical Society; Honorary Fellow of the American Institute of Aeronautics and Astronautics, and the International Astronautics Federation.

He is a member of the National Academy of Engineering and the Academy of the Kingdom of Morocco. He served as a member of the National Commission on Space (1985-1986), as Vice-Chairman of the Presidential Commission on the Space Shuttle Challenger Accident (1986), and as Chairman of the Presidential Advisory Committee for the Peace Corps (1971-1973).

Armstrong has been decorated by 17 countries. He is the recipient of many special honors, including the Presidential Medal of Freedom; the Congressional Space Medal of Honor; the Explorers Club Medal; the Robert H. Goddard Memorial Trophy; the NASA Distinguished Service Medal; the Harmon International Aviation Trophy; the Royal Geographic Society’s Gold Medal; the Federation Aeronautique Internationale’s Gold Space Medal; the American Astronautical Society Flight Achievement Award; the Robert J. Collier Trophy; the AIAA Astronautics Award; the Octave Chanute Award; and the John J. Montgomery Award.

Armstrong passed away on Aug. 25, 2012 following complications resulting from cardiovascular procedures. He was 82.

August 2012

http://www.nasa.gov/centers/glenn/about/bios/neilabio.html

Neil Alden Armstrong, age 6
Neil Alden Armstrong, age 6
Ensign Neil A. Armstrong, United States Naval Reserve, 23 May 1952. (U.S. Navy)
Ensign Neil Alden Armstrong, United States Navy, circa 1951. (U.S. Navy)
Ensign Neil Alden Armstrong, United States Navy, circa 1951. (U.S. Navy)
Ensign Neil A. Armstrong, as wingman to Lieutenant (j.g.) Ernie Moore, is flying the second Grumman F9F-2 Panther, Bu. No. 125122 (marked S 116), assigned to VF-51, USS Essex (CV-9), 1951. (Naval Aviation Museum)
Ensign Neil A. Armstrong, as wingman to Lieutenant (j.g.) Ernie Moore, is flying the second Grumman F9F-2 Panther, Bu. No. 125127 (marked S 116), assigned to VF-51, USS Essex (CV-9), 1951. (Naval Aviation Museum)
3 September 1951, Ensign neil Armstrong was flying his Grumman F9F-2 Panther, Bu. No., 125122, escorting a photo reconnaissance aircraft over Koreawhen his airplane was damaged by enemy ground fire. At low altitude, he struck and anti-aircraft cable whoich further damaged the fighter and made it impossible to land. Armstrong was abl eto reach friendly territory and ejected safely. This photograph was taken a short time later. (U.S. Navy)
3 September 1951, Ensign Neil A. Armstrong was flying his Grumman F9F-2 Panther, Bu. No., 125122, escorting a photo reconnaissance aircraft over Korea when his airplane was damaged by enemy ground fire. At low altitude, he struck an anti-aircraft cable which further damaged the fighter and made it impossible to land. Armstrong was able to reach friendly territory and ejected safely. This photograph was taken a short time later. (U.S. Navy) 
NASA Engineering Test Pilot Neil A. Armstrong, 1958. (NASA)
NASA Engineering Test Pilot Neil A. Armstrong, 1958. (NASA) 
NASA test pilot Neil A. Armstrong dons a pressure suit before his first flight in teh North American Aviation X-15 hypersonic research rocketplane, at Edwards AFB, 30 November 1960. (NASA)
NASA test pilot Neil A. Armstrong dons a David Clark Co. MC-2 full-pressure suit before his first flight in the North American Aviation X-15 hypersonic research rocketplane, at Edwards AFB, 30 November 1960. (NASA)
Neil Armstrong with the first North American Aviation X-15A, 56-6670, on Rogers Dry Lake after a flight, 1960. (NASA)
Neil Armstrong with the first North American Aviation X-15A, 56-6670, on Rogers Dry Lake after a flight, 1960. Armstrong made seven flights in the X-15, including the longest, “Neil’s Cross Country”. (NASA)
NASA Research Test Pilot Neail A. Armstrong with teh Bell X-14 at NASA Ames Research Center, February 1964. (NASA)
NASA Research Test Pilot Neil A. Armstrong with the Bell X-14 at NASA Ames Research Center, February 1964. (NASA via Jet Pilot Overseas) 
Neil A. Armstrong during a training exercise near Cimmaron, new Mexico, June 1964. (NASA via Jet Pilot Overseas)
NASA Project Gemini astronaut Neil A. Armstrong during a field training exercise near Cimarron, New Mexico, June 1964. (NASA via Jet Pilot Overseas)
Astronauts David R. Scott, Pilot (left) and Neil A. Armstrong, Command Pilot (right) with U.S. Air Force pararescue jumpers at the end of the nearly disastrous Gemini 8 mission, 17 March 1966. (NASA)
Astronauts David R. Scott, Pilot (left) and Neil A. Armstrong, Command Pilot (right) with U.S. Air Force pararescue jumpers at the end of the nearly disastrous Gemini 8 mission, 17 March 1966. (NASA)
NASA Project Apollo Astronaut Neil A. Armstrong with a Bell Aerosystems Lunar Landing Research Vehicle, 1969. (Ralph Morse/Time Life Pictures/Getty Images)
NASA Project Apollo Astronaut Neil A. Armstrong with a Bell Aerosystems Lunar Landing Research Vehicle, 1969. (Ralph Morse/Time Life Pictures/Getty Images)
Neil Alden Armstrong, Mission Commander, Apollo 11, 16 july 1969. (NASA)
Neil Alden Armstrong, Mission Commander, Apollo 11, 16 July 1969. (NASA)
Neil Armstrong steps onto the Moon, 10:56 p.m. EDT, 20 July 1969. (NASA)
Neil Armstrong steps onto the Moon, 10:56 p.m. EDT, 20 July 1969. (NASA)
Neil Alden Armstrong inside the Lunar Module on the surface of the Moon, 20 July 1969. (NASA)
Neil Alden Armstrong inside the Lunar Module Eagle on the surface of The Moon, 20 July 1969. (Edwin E. Aldrin, NASA) 
Professor Neil A. Armstrong in his classroom at the University of Cincinnati College of Engineering, 1974. (Peggy Palange, UC Public Information Office)
Professor Neil A. Armstrong in his classroom at the University of Cincinnati College of Engineering, 1974. (Peggy Palange, UC Public Information Office) 
A bronze statue of Neil Alden Armstrong in front of the Hall of Engineering.
An 8-foot tall bronze statue of Neil Alden Armstrong, sculpted by Chas Fagan, sits in front of the Neil Armstrong Hall of Engineering at Purdue University, West Lafayette, Indiana.

© 2015, Bryan R. Swopes

31 July 1971

Apollo 15: Jim Irwin loads the LRV for EVA-1, 31 July 1971. The mountain behind the Lunar Module is Hadley Delta. (David Scott/NASA)

At 13:52:31 UTC, 31 July 1971, (T + 120:18:31) the Lunar Roving Vehicle was deployed from Apollo 15’s Lunar Module, Falcon. This was the first time that an LRV had been used on the surface of the moon.

The LRV was a four-wheeled, electrically-powered, surface transportation vehicle designed to carry two astronauts and their equipment to explore areas farther away from the landing site than they would be able to by walking.

The LRV was built by Boeing at Kent, Washington. prime contractor. The wheels, electric motors and suspension system were built by a General Motors subsidiary in Santa Barbara, California.

 

Three-view drawing of Lunar Roving Vehicle with dimensions (Lunar Roving Vehicle Operations Handbook LS006-002-2H, Page 1 – 3, Fig. 1 – 1, The Boeing Company LRV Systems Engineering, Huntsville, AL)

The lunar rover was constructed of welded aluminum tubing and hinged to allow folding to store aboard the lunar module. It had two folding seats for the astonauts. The four tires were ingeniously constructed of woven steel strands (0.083 cm). about 122 inches (3.10 meters) long. The wheelbase was 90 inches (2.29 meters) and the track was 72 inches (1.83 meters). It was 44.8 inches (1.14 meters) high.

Jim Irwin with LRV at Hadley Rille, 31 July 1971. (Dave Scott/NASA)
Jim Irwin with LRV at Hadley Rille, 30 July 1972. Detail from image above. (Dave Scott/NASA)

The mass of the empty LRV was 210 kilograms (463 pounds on Earth, but only about 77 pounds on the surface of the Moon), and it was capable of transporting a payload of 490 kilograms (about 81 “moon-pounds”).

The four tires were ingeniously constructed of woven steel strands (0.083 centimeters diameter). The tire was 81.8 centimeters (32.2 inches) in diameter, and 23 centimeters (9.1 inches) wide. The aluminum wheels were 80 centimeters (31.5 inches) in diameter and 24 centimeters (9.4 inches) wide. The tires’ traction was enhanced by “chevrons” made of titanium.

Lunar Roving Vehicle wheel and tire assembly. (NASM-A197508300000_PS02)

Each wheel was driven by a DC electric motor, capable of 0.25 horsepower at 10,000 r.p.m. There was a 80:1 speed reduction.

Electric power for the vehicle was provided by two 36-volt (+5/-3 volts) silver-zinc potassium hydroxide batteries with a total capacity of 121 amperes/hour. The batteries were not rechargeable.

The Apollo 15 landing crew made three excursions with the LRV, traveling a total distance of 27.8 kilometers (17.3 statute miles) in 3 hours, 26 minutes driving time. The maximum speed reached was 12 km/h (7.5 mph). NASA reported that “the longest single traverse was 12.5 km [7.8 miles] and the maximum range from the LM was 5.0 km. [3.1 miles]

Apollo 15’s three LRV traverses. Image from the Lunar Reconnaissance Orbiter. (NASA/GSFC/Arizona State University)

© 2018 Bryan R. Swopes

26 July 1971, 13:34:00.6 UTC, T plus 00:00:00.6

Apollo 15 (AS-510) lifts off from Launch Complex 39A, Kennedy Space Center, Cape Canaveral, Florida, at 13:34:00.6 UTC, 26 July 1971. (NASA)

26 July 1971: At 9:34:00.6 a.m., Eastern Daylight Time (13:34:00.6 UTC), the Apollo 15/Saturn V (AS-510) lifted off from Launch Complex 39A, Kennedy Space Center, Cape Canaveral, Florida. The three-man flight crew were Colonel David Randolph Scott, United States Air Force, Mission Commander, on his third space flight; Major Alfred Merrill Worden, USAF, Command Module Pilot, on his first mission; and Lieutenant Colonel James Benson Irwin, USAF, Lunar Module Pilot, also on his first space mission.

Their destination was was Hadley Rille, Mare Imbrium, The Moon.

The flight crew of Apollo 15, left to right, Colonel David R. Scott, Major Alfred M. Worden and Lieutenant Colonel James B. Irwin. (NASA)

At first stage ignition, the Apollo 15/Saturn V launch vehicle (AS-510) had a total weight of 6,494,415 pounds (2,945,817 kilograms). The five Rocketdyne F-1 engines of the S-IC first stage produced 7,558,000 pounds of thrust (33,619.66 kilonewtons).

After the first stage engines shut down, the S-IC stage was jettisoned. The five Rocketdyne J-2 engines of the S-II second stage received the Engine Start Command at T + 161.95 seconds. They produced 1,169,662 pounds of thrust (5,202.92 kilonewtons), and were themselves shut down at T + 549.06 seconds. The second stage was jettisoned and the single J-2 of the S-IVB third stage started at T + 553.2 and shut down at T + 694.7 seconds. The S-IVB engine produced 202,965 pounds of thrust (902.83 kilonewtons) during its First Burn.

Apollo 15 entered a parking orbit 11 minutes, 44 seconds after launch. The nearly-circular 105.3 × 106.4 miles (169.5 × 171.3 kilometers) orbit had a period of 1 hour, 27.84 minutes.

This 1966 illustration depicts the J-2 engine of the S-IVB third stage firing to send the Apollo spacecraft to the Moon. (NASA)

The Trans Lunar Injection maneuver (TLI) began at mission elapsed time 02:50:03. The total vehicle mass at the S-IVB’s Second Burn ignition was 307,661 pounds (139,552 kilograms). The J-2 engine produced 203,111 pounds of thrust (903.48 kilonewtons. The engine shut down at T + 02:55:53.7.

Endeavour docked with Falcon to extrack from S-IVB adapter fairing. (NASA)

Once on the way to The Moon, the Command and Service Module Endeavour separated from the S-IVB third stage, reversed its relative position and then extracted the Lunar Module Falcon from the stage adaptor fairing. The S-IVB third stage was then released, continuing its own journey. It impacted the lunar surface at mission elapsed time 79:24:41.55, traveling 5,764 miles per hour (9,277 kilometers per hour).

This was the fifth manned lunar landing mission (though Apollo 13 did not land).

On this flight, NASA was sending a powered wheeled transport vehicle, the Lunar Roving Vehicle, or LRV. This would allow the astronauts on the moon’s surface to travel farther from the landing point, spend less time getting where they were going, and with less physical exertion. They would also be able to return to their space craft with more geologic samples. The emphasis on this flight was to conduct a meaningful scientific examination of the surface. The astronauts had received extensive training in this regard.

© 2018, Bryan R. Swopes

25 July 1984

Svetlana Evgenievna Savitskaya, Hero of the Soviet Union

25 July 1984: Cosmonaut Svetlana Evgenievna Savitskaya, on her second mission to the Salyut 7 space station, became the first woman to perform a space walk, when she spent 3 hours, 35 minutes outside the space station.

Colonel Savitskaya was the second woman to fly in space, following Cosmonaut Valentina Vladimirovna Tereshkova. Svetlana Evgenievna’s first space flight was also to Salyut 7, in 1982. She was assigned as commander of an all-woman crew to the station, but that flight was cancelled. She has spent 19 days, 7 hours, 6 minutes in space.

Svetlana Evgenievna Savitskaya was born 8 August 1948 in Moscow, Russia. She is the daughter of Air Marshal Yevgeny Yakovlevich Savitsky, twice a Hero of the Soviet Union, and Lidia Pavlovna.

17896 27.10.1967 Студентка Московского авиационного института Светлана Савицкая на занятиях. В. Шандрин/РИА Новости (Student of the Moscow Aviation Institute Svetlana Savitskaya in the classroom. 1967 Photo: RIA Novosti / V. Shandrin)

Colonel Savitskaya is a retired flight engineer and test pilot. Like her father, she was twice awarded the title Hero of the Soviet Union. She was also awarded the Order of Lenin twice, the Order of the Badge of Honor, and the Order for Services to the Fatherland.

Svetlana Evgenievna was a member of the Soviet Union’s national aerobatic team. In 1970, she won the Fédération Aéronautique Internationale (FAI) World Aerobatic Championship, held at RAF Hullvington, Wiltshire, England, while flying a Yakovlev Yak-18.

Savitskaya in 1971

In 1971, she graduated from the Central Flight Technical School of the USSR, and from the Ministry of Aviation Industry test pilot school, in 1976. She served as a flight instructor until 1978 when she was assigned as a test pilot at the Yakovlev Design Bureau. She set 18 FAI world records in airplanes and another 4 in free-fall parachuting from high altitude. (Two records, set with a Yakovlev Yak-40 in April 1981, remain current.)

In 1980, Svetlana Evgenievna was assigned to cosmonaut training.

Cosmonaut free-fall training, 1980.

She earned her doctorate in technical sciences in 1986. Married to a pilot, Victor Khatovsky, with a son, Konstantine. She retired in 1993 with the rank of major. (Presently she holds the rank of colonel.)

Academician Savitskaya is a member of the International Academy of Astronautics. She is Honorary President of the Federation of Aviation Sports of Russia.

Svetlana Evgenievna currently serves in the parliamentary assembly of the Union of Russia and Belarus. She holds the position of Deputy Chairman of the committee for security, defense and law enforcement.

Soviet Cosmonaut Svetlana Savitskaya, the first woman to walk in space during the Soyuz T-12 space mission to the Salyut 7 space station in August 1984, photographed by Cosmonaut Vladimir Dzhanibekov. (Photo by: Sovfoto/UIG via Getty Images)

© 2019, Bryan R. Swopes