Apollo 16

Introduction

Embark on a journey back in time as we delve into the captivating story of Apollo 16, one of NASA’s most ambitious lunar missions. In this comprehensive guide, we’ll explore the mission’s objectives, the brave crew that dared to venture into the unknown, and the groundbreaking discoveries they made.

From the launch atop a Saturn V rocket to the lunar roving adventures, every moment of Apollo 16’s expedition is a testament to human ingenuity and the relentless pursuit of knowledge. So, buckle up and prepare for a thrilling ride to the moon and back!

On April 16, 1972, Apollo 16 Commander John W. Young flashed a "thumbs up" to the crowd of supporters gathered in the hallway as he and his crewmates made their way to the transfer van, ready to head to the launch pad.
On April 16, 1972, Apollo 16 Commander John W. Young flashed a “thumbs up” to the crowd of supporters gathered in the hallway as he and his crewmates made their way to the transfer van, ready to head to the launch pad. Photo credit goes to NASA.

Apollo 16 Mission Facts

Fact Details
Launch Date April 16, 1972
Crew Members John W. Young, Thomas K. Mattingly II, Charles M. Duke Jr.
Landing Site Descartes region
Duration of Mission 265 hours, 51 minutes, five seconds
Total Distance Covered by Rover 16.6 miles
Total Lunar Samples Collected 209 pounds


With their sights set on the moon, Young and Duke embarked on their lunar adventure, leaving Mattingly to hold the fort in orbit. As the second crew to bring along the Lunar Roving Vehicle (LRV), the Apollo 16 team was ready to make history. They spent over 20 exhilarating hours navigating the moon’s terrain, covering an impressive 16.6 miles in their trusty LRV.


On April 16, 1972, Apollo 16 launched atop a Saturn V SA-511 rocket, propelling the crew towards the moon at a staggering speed of 22,000 miles per hour. This breathtaking moment was captured by NASA.
On April 16, 1972, Apollo 16 launched atop a Saturn V SA-511 rocket, propelling the crew toward the moon at a staggering speed of 22,000 miles per hour. This breathtaking moment was captured by NASA.


With a mission to gather knowledge, they collected a hefty 210 pounds of lunar samples and set up a suite of scientific instruments and experiments. After a 12-day cosmic journey, the Apollo 16 crew made a triumphant return, splashing down safely in the Pacific Ocean on April 27, 1972.


What Were Apollo 16 Mission Objectives?

So, what exactly was the Apollo 16 mission aiming to achieve? Let’s dive in.

Firstly, the crew was tasked with examining, surveying, and sampling materials at a specific lunar landing site in the Descartes region. This wasn’t just a sightseeing tour – they were on a scientific mission to gather invaluable data about the moon’s surface.

Secondly, they were to conduct a series of in-flight experiments and photographic tasks from lunar orbit. This was all about capturing the bigger picture and understanding the moon in its broader context.

Thirdly, the mission involved testing spacecraft and equipment in zero gravity. This was crucial for advancing our understanding of how to operate in the challenging conditions of space.

Lastly, the crew was to activate and set up surface tests. This was about leaving a lasting scientific legacy on the lunar surface for future missions to build upon.

In essence, the Apollo 16 mission objectives were a blend of exploration, science, and engineering – all aimed at pushing the boundaries of human knowledge and capabilities in space.

Apollo 16 CSM and LM

While the Apollo 16 mission made significant strides in lunar exploration, it’s fascinating to look back at where it all began. Learn more about the mission that started it all in our feature on the historic Apollo 11 mission, a truly giant leap for humankind.

The Crew of Apollo 16

Meet the courageous crew of Apollo 16. From left to right, we have Thomas K. Mattingly II, John W. Young, and Charles M. Duke Jr. captured in this memorable photo. Credit: NASA.
Meet the courageous crew of Apollo 16. From left to right, we have Thomas K. Mattingly II, John W. Young, and Charles M. Duke Jr. captured in this memorable photo. Credit: NASA.

Now, let’s meet the brave souls who embarked on the Apollo 16 mission, shall we?

  • John W. Young, Commander
  • Thomas K. Mattingly II, Command Module Pilot
  • Charles M. Duke Jr., Lunar Module Pilot

At the helm, we had John W. Young, the Commander. Young was the guiding force of the mission, leading his team with courage and determination.

Next up, we had Thomas K. Mattingly II, the Command Module Pilot. Mattingly was the one who stayed in orbit, keeping a watchful eye on the mission from above while his teammates explored the lunar surface.

Last but certainly not least, we had Charles M. Duke Jr., the Lunar Module Pilot. Duke was the one who, alongside Young, got to experience the moon up close, driving the Lunar Roving Vehicle and collecting valuable samples.

Together, these three astronauts formed the backbone of the Apollo 16 mission, each playing a crucial role in its success. Their teamwork and dedication were truly out of this world!


John W. Young, Commander. Credit: NASA.
John W. Young, Commander. Credit: NASA.

The Descartes Apollo 16 landing site


Let’s take a moment to appreciate the Descartes landing site, the chosen destination for the Apollo 16 mission. Nestled in the highlands area of the moon’s southeast quadrant, Descartes is a landscape of grooves, hills, and furrows – a lunar explorer’s dream.

But it wasn’t chosen for its looks alone. Descartes was selected for its unique geological features, specifically the Kant Plateau and the Cayley Formation. These volcanic constructional units offered a rich opportunity for sampling and study, providing a window into the moon’s geological past. The Descartes site was more than just a landing spot; it was a lunar laboratory.

The Descartes landing site is situated in a highlands area of the moon’s southeast quadrant. It is a grooved, hilly, and furrowed terrain.


Charles M. Duke Jr., Lunar Module Pilot sampling from a large rock at Station 11 on April 23, 1972. Credit: NASA.
Charles M. Duke Jr., Lunar Module Pilot sampling from a large rock at Station 11 on April 23, 1972. Credit: NASA.

Descartes was chosen as the perfect spot for sampling two key volcanic formations: the Kant Plateau and the Cayley Formation. This wasn’t just a random choice; it was a strategic move to gather valuable data from these unique lunar features. Plus, the Apollo Lunar Surface Experiments Package, or ALSEP, was set up here, marking the fourth operational station following the footsteps of Apollos 12, 14, and 15.


Apollo 16 landing site. Credit: NASA.
Apollo 16 landing site. Credit: NASA.

Orbital Science Experiments

The crew carried out orbital science operations using a suite of cameras and instruments housed in the Scientific Instrument Module, or SIM bay. They didn’t just rely on built-in equipment, though. The astronauts also used handheld Hasselblad 70mm still cameras and Mauer 16mm motion cameras, capturing the lunar adventure in stunning detail.


Apollo Hasselblad Camera
Apollo Hasselblad Camera.

The crew evaluated some minor tweaks to their Extravehicular Activity (EVA) gear.

They introduced stiffer clutch springs in the TV camera drive mechanism, a smart fix to the aiming issues they’d encountered on Apollo 15.

The Lunar Roving Vehicle got an upgrade, too, with longer seat belts for better astronaut safety.

They also made improvements to their drilling equipment. Continuous fluting of drill bits was introduced to prevent binding and jamming during extraction.

And to top it all off, they added a treadle and jack to assist in removing drill cores from the lunar subsurface. It was all about making their lunar work more efficient and effective.


Dr. George Carruthers, and William Conway, a project manager at the Naval Research Institute. The gold-plated ultraviolet camera/spectrograph. The first moon-based observatory for the Apollo 16 mission.
Dr. George Carruthers, and William Conway, a project manager at the Naval Research Institute. The gold-plated ultraviolet camera/spectrograph. The first moon-based observatory for the Apollo 16 mission. Credit: NASA.

Stellar Ultraviolet Camera

An exciting feature of the surface objectives was the inclusion of a stellar ultraviolet camera. This wasn’t your average camera – it was designed to capture images of Earth and other celestial bodies in spectral bands invisible from our planet. But the innovation didn’t stop there. The lunar rover was put through its paces in a “Grand Prix” exercise, complete with S-turns, hairpin bends, and abrupt stops. This was all part of the mission’s comprehensive evaluation process.


LRV or the Lunar Roving Vehicle (LRV) gets a speed workout by astronaut John W. Young in the "Grand Prix" run during the first Apollo 16 spacewalk at the Descartes landing site on April 21, 1972.
LRV, or the Lunar Roving Vehicle (LRV), gets a speed workout by astronaut John W. Young in the “Grand Prix” run during the first Apollo 16 spacewalk at the Descartes landing site on April 21, 1972. Credit: NASA.

The mission had one last trick up its sleeve. Just before the journey back to Earth, or transearth injection, the crew had the ambitious task of launching a subsatellite from the Command and Service Module, or CSM, into lunar orbit. This marked a significant finale to the orbital objectives of the mission.


Apollo 16 Sub Satellite, Particles And Fields, Qualification Model.
Apollo 16 Sub Satellite, Particles, And Fields, Qualification Model.

The Particles and Fields, or P&F, subsatellite

Meet P&F, which is short for the Particles and Field subsatellites. This little device had a big job: to study the moon’s mass and its gravitational shifts. But that’s not all. P&F was also tasked with analyzing the particle composition of the space surrounding the moon and investigating how the moon’s magnetic field interacts with Earth’s. Quite a hefty to-do list for such a small satellite!

Apollo 16 Mission Photograph: A Handheld 70mm Camera Capture of the Moon's Surface Highlighting the Bullialdus Crater.
Apollo 16 Mission Photograph: A Handheld 70mm Camera Capture of the Moon’s Surface Highlighting the Bullialdus Crater. Credit: NASA.

Mission Highlights

The Apollo 16 crew embarked on their epic journey from Launch Complex 39 at the Kennedy Space Center in Florida. The clock struck 12:54 p.m. EST on April 16, 1972, as they soared into the sky.

Their lunar module, or LM, carrying astronauts John Young and Charles Duke, touched down at Descartes. They landed about 276 meters northwest of their intended point at approximately 9:24 p.m. EST on April 20, running a little behind schedule by about five hours and 43 minutes.

But they made the most of their time on the moon. During their 71-hour stay, they explored the lunar landscape on three Extravehicular Activities (EVAs), spending a total of 20 hours and 14 minutes outside their spacecraft. Quite the lunar expedition!


Panorama of Flag crater taken by Charles M. Duke Jr., Lunar Module Pilot, facing northwest at center.
Panorama of Flag crater taken by Charles M. Duke Jr., Lunar Module Pilot, facing northwest at the center. Credit: NASA.

Next stop on their lunar road trip? Flag Crater. The rover whisked the astronauts westward to this intriguing location. There, they collected more samples and snapped photos, capturing the unique features of this lunar region. It was another successful stop in their moon exploration journey.

Next, the astronauts took a detour, driving south of their original path to reach Spook Crater. Here, they made their first measurement with the Lunar Portable Magnetometer, a key tool in their scientific arsenal. They didn’t stop there, though. The crew also collected samples and captured the lunar landscape through panoramic and 500mm telephotography. It was a blend of science and art right there on the moon’s surface!


Apollo 16 John Young and Charles Duke driving a Lunar Roving Vehicle trainer on a simulated lunar surface on Earth on December 22, 1971.
Apollo 16 John Young and Charles Duke drove a Lunar Roving Vehicle trainer on a simulated lunar surface on Earth on December 22, 1971. Credit: NASA.

In addition, they set up the Solar Wind Composition experiment at the ALSEP site, adding another layer to their scientific exploration.

Their Extravehicular Activity (EVA) continued for about seven hours and 11 minutes, during which they covered 2.5 miles in their trusty rover.

The next EVA kicked off with a drive south to Stone Mountain. There, in the area of Cinco Craters, they collected surface and core samples, dug a trench sample, took penetrometer measurements, and captured the lunar landscape through their lenses. Quite a busy day on the moon!

“House Rock”


John W. Young, Commander geologizing on the rim of North Ray crater. Their next destination will be House Rock, seen behind Young, above his right shoulder.
John W. Young, Commander geologizing on the rim of North Ray crater. Their next destination will be House Rock, seen behind Young, above his right shoulder. Credit: NASA.

The crew took measurements with the Lunar Portable Magnetometer, or LPM, near a location known as Cinco.

Then came the third and final Extravehicular Activity (EVA). The astronauts steered their course north to the North Ray Crater. There, they examined a notable feature known as “House Rock,” nestled within the crater’s rim. This marked another significant milestone in their lunar exploration journey.


Charles M. Duke Jr., Lunar Module Pilot and the Rover at Plum crater. Credit: NASA.
Charles M. Duke Jr., Lunar Module Pilot and the Rover at Plum Crater. Credit: NASA.

“Shadow Rock”

The crew made a pit stop at “Shadow Rock,” a lunar landmark where they conducted further sampling, snapped some photos, and took LPM measurements.

Their final stop near the Lunar Module (LM) allowed them to add more samples and core tubes to their lunar collection.

After a productive Extravehicular Activity (EVA) session, which lasted five hours and 40 minutes and covered a distance of 7.1 miles with the rover, they wrapped up with footage from the far-ultraviolet camera/spectroscope.

Meanwhile, Thomas Mattingly was busy orbiting the moon, operating cameras and the Scientific Instrument Module (SIM) bay instruments while Young and Duke explored the lunar surface.


Apollo 16 John W. Young, Commander with the lunar roving vehicle on the moon. Credit: NASA.
Apollo 16 John W. Young, Commander with the lunar roving vehicle on the moon. Credit: NASA.

The lunar liftoff was perfectly on schedule, taking place at 8:26 p.m. EST on April 23.

In a surprising twist, the mission planners decided to bring the crew back home a day earlier than initially planned.

Meanwhile, Mattingly embarked on an 83-minute spacewalk, a daring venture outside the spacecraft to retrieve film cassettes from the Scientific Instrument Module (SIM) bay.


Apollo 16 splashdown. Credit: NASA.
Apollo 16 splashdown. Credit: NASA.

The crew made a splash, quite literally, at 0 degrees 42′ 0″ S, 156 degrees 12′ 49″ W, just before the clock struck 3 p.m. EST on April 27.

The entire Apollo 16 mission was a marathon of 265 hours, 51 minutes, and five seconds. During this time, Young and Duke managed to collect an impressive 209 pounds of lunar samples and drove the rover a whopping 16.6 miles across the moon’s surface. Quite the lunar road trip!

Apollo 16 Insignia


Apollo 16 silver Robbins medallion.
Apollo 16 silver Robbins medallion.

The Apollo 16 emblem is a beautiful blend of symbolism and design. At its heart is an American eagle, proudly displayed alongside a red, white, and blue shield, representing the people of the United States. The gray backdrop symbolizes the lunar surface, the mission’s destination.

Adding a touch of space exploration flair, a gold NASA vector orbits the moon on the emblem. The gold-outlined blue border is adorned with 16 stars, each one standing for the mission number and the names of the brave crew members: Young, Mattingly, and Duke.

This emblem, rich in meaning and aesthetics, was born from the creative ideas initially submitted by the mission’s crew. It’s more than just a symbol; it’s a story of the Apollo 16 mission.

If you’re intrigued by the adventures of the Apollo 16 crew, you’ll definitely want to check out the groundbreaking achievements of the Apollo 15 mission, which set new records in space exploration.

FAQ

What was the Apollo 16 mission?

Apollo 16, the tenth crewed mission in the United States Apollo space program, was launched on April 16, 1972. It was the fifth and penultimate mission to land on the Moon, characterized by an extended stay on the lunar surface, a focus on science, and the use of the Lunar Roving Vehicle (LRV). The mission aimed to inspect, survey, and sample materials at the Descartes Highlands, a site initially thought to be volcanic​​​​.

Who were the astronauts on Apollo 16?

The Apollo 16 mission was crewed by Commander John Young, Lunar Module Pilot Charles Duke, and Command Module Pilot Ken Mattingly. This mission was Young’s fourth spaceflight, Duke’s only spaceflight, and Mattingly’s first. Young was a Navy captain and a veteran astronaut since 1962, while Mattingly, a lieutenant commander in the Navy, was selected as an astronaut in 1966​​.

What were the objectives of the Apollo 16 mission?

Apollo 16’s primary objectives included inspecting, surveying, and sampling materials at the Descartes region of the Moon, emplacing and activating surface experiments, and conducting in-flight experiments and photographic tasks from lunar orbit. The mission also aimed to perform experiments in zero gravity and evaluate spacecraft and equipment​​.

What challenges did Apollo 16 encounter?

The mission faced several glitches en route to the Moon, including a problem with the spacecraft’s main engine, leading to a six-hour delay in the Moon landing. These issues resulted in the mission’s early termination by one day. Despite these challenges, the astronauts successfully conducted three extravehicular activities, collecting significant amounts of lunar samples and driving the Lunar Roving Vehicle for over 26 kilometers​​.

What experiments and activities were conducted during Apollo 16?

On the lunar surface, astronauts Young and Duke conducted experiments, collected lunar samples, and drove the Lunar Roving Vehicle. They explored the region on three EVAs totaling over 20 hours. Commander Mattingly, in lunar orbit, conducted extensive experiments using equipment in the SIM bay and hand-held cameras despite facing challenges with some scientific instruments​​.

How did the Apollo 16 mission contribute to lunar science?

Apollo 16 significantly added to the scientific understanding of the Moon. The mission’s exploration of the Descartes Highlands provided valuable geological insights. The astronauts collected 95.8 kilograms of lunar samples, including “Big Muley,” the largest Moon rock collected during the Apollo missions. Their findings helped debunk the hypothesis that the highlands were volcanic​​.

What were the key highlights of the Apollo 16 mission?

Key highlights of Apollo 16 included the successful operation of the Lunar Roving Vehicle over challenging terrain, the collection of a vast amount of lunar samples, and the astronauts’ ability to overcome several technical issues. The mission also marked a record in lunar surface exploration for the time spent and the weight of the samples brought back​​​​.

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