The Martian

A violent sandstorm hits the Ares 3 mission, forcing an emergency evacuation. Amid the chaos, Mark Watney is impaled by a flying antenna, causing a severe injury and a breach in his space suit. Presumed dead by his crewmates, Watney musters the strength to seal the breach and make it back to the Hab, the habitat module. Once inside, he treats his wound and faces the grim reality: he is stranded on Mars with no way to communicate with Earth or the Hermes.

Still reeling from the shock of being stranded, Mark Watney begins to methodically assess his situation. He calculates his food supply, which will last him 400 days if rationed, and evaluates his remaining resources, including the Hab, EVA suits, rovers, and communication equipment. Despite losing the main communications dish and the MAV, Watney remains optimistic and sets his sights on finding a way to communicate with Earth or the Ares 4 mission, scheduled to arrive in four years.

Watney explores potential solutions to his food shortage by leveraging his botany skills. He starts a project to cultivate Martian soil, mixing it with Earth soil, compost, and human waste to create a viable growing medium. This involves extensive labor, including multiple EVAs to collect Martian soil and prepare it for planting. Watney also dedicates a significant portion of the Hab's water supply to this effort, despite the limited availability of water.

Despite the physical toll of his work, Watney maintains a positive attitude, driven by the necessity to survive. He reflects on the impact of his presumed death on his family and the broader implications of his isolation. His efforts to grow potatoes and other crops are seen as a crucial step in extending his survival timeline, though he acknowledges the challenges ahead in sustaining himself for the required period.

Still reeling from the initial shock of his situation, Mark Watney delves deeper into the mathematical and logistical challenges of surviving until the arrival of Ares 4, 1425 days away. He calculates that he needs to generate an additional 1100 calories per day through farming to meet his nutritional needs, a daunting task given his current 62 square meters of farmland. Determined to overcome this obstacle, Watney explores ways to increase his farmland, repurposing the Hab's bunks, lab tables, and the rovers' emergency pop-tents. His efforts pay off, and he manages to expand his farmland to 126 square meters.

Watney also focuses on improving his potato yield through meticulous plant care and strategic planting techniques. However, he still faces a significant water shortage, needing 250 liters more than he currently has. Undeterred, he devises a dangerous plan to extract water from Martian CO2 and the hydrazine fuel left in the MDV. This plan involves handling highly reactive chemicals, but Watney sees no other option.

Throughout these challenges, Watney's mental state remains a focal point. His determination and resourcefulness shine through, and he finds moments of humor and distraction by watching TV shows from Commander Lewis’s personal data-stick, helping him maintain his sanity and morale.

Despite his initial success in producing 50 liters of water, Mark Watney soon faces a critical flaw in his process: unburned hydrogen is accumulating in the Hab, creating a highly explosive environment. Realizing the danger, he evacuates to Rover 2, where he conducts an atmospheric analysis confirming the high concentration of hydrogen. Watney is now faced with the urgent task of neutralizing the hydrogen to prevent a catastrophic explosion. His resourcefulness and determination are put to the test as he devises a plan to lower the oxygen levels and burn off the hydrogen in controlled bursts. However, this plan poses a risk to the soil bacteria and potato plants, which he must temporarily relocate to a rover. The chapter underscores Watney's ability to adapt and solve complex problems, but the stakes are higher than ever as he must find a way to save himself from the Hab, which has become a ticking time bomb.

Still reeling from the near-catastrophe, Mark Watney devises a plan to neutralize the dangerous hydrogen buildup in the Hab. He decides to trick the atmospheric regulator into lowering the oxygen levels, allowing him to burn off the hydrogen in controlled bursts. However, he realizes this will harm the soil bacteria, crucial for his agricultural efforts, and the potato plants, which he must temporarily relocate to a rover.

Upon returning to the Hab, Watney implements his plan but encounters several setbacks. He struggles to lower the oxygen levels sufficiently and nearly suffocates when an unexpected explosion occurs, likely due to his own oversight in exhaling oxygen. Despite the chaos, he manages to stabilize the Hab's atmosphere and confirms that the soil bacteria and potato plants survived the ordeal. Watney spends the following day conducting thorough system diagnostics, finding everything in working order, and reflecting on the importance of caution and precision in his survival strategies.

Watney concludes the chapter by acknowledging the ongoing challenges ahead, particularly the need to produce more water and continue his agricultural projects. He vows to be more cautious in his future endeavors, while also finding solace in the variety of TV shows on Commander Lewis’s personal data-stick, which helps pass the time.

Venkat Kapoor, the director of Mars operations, seeks permission from NASA Administrator Teddy Sanders to use satellite imagery to assess the condition of the Ares 3 site. Teddy initially denies the request due to concerns about public reaction to images of Watney's body. However, after receiving unexpected satellite images from SatCon technician Mindy Park, Venkat discovers signs that Watney may still be alive. The images show the Hab intact, clean solar cells, and two deployed rover pop-tents, which were not logged in the mission records.

Venkat, Teddy, and Annie Montrose, the director of media relations, discuss the implications of Watney's possible survival. They decide to keep the information from the Ares 3 crew to avoid emotional trauma during their return journey. Teddy prepares to inform Watney's parents personally, while the team works on a strategy to communicate with Watney and assess his condition. The announcement of Watney's survival causes a media frenzy, and NASA commits to focusing all its resources on bringing him home.

The chapter also reveals the challenges in establishing communication with Watney, as all backup systems were lost with the MAV. Despite these obstacles, NASA explores creative solutions, including a risky plan to use the Ares 4 MDV to rescue Watney. The chapter ends with a log entry from Watney, showing his continued resilience and humor in the face of his isolation.

Mark Watney, now in a relatively stable situation on Mars, begins to think long-term about his survival and the possibility of reaching Ares 4, located 3200 kilometers away. He decides to modify Rover 2 to function as a mobile Hab, doubling its battery capacity and adding solar panels for extended travel. Watney faces the challenge of keeping warm during his journey, as turning off the rover’s heater to conserve power leaves him vulnerable to the extreme cold. To address this, he devises a plan to use the RTG (radioisotope thermoelectric generator) buried by Commander Lewis. Despite the dangers of handling radioactive materials, Watney retrieves the RTG and installs it in the rover, successfully using it to maintain a comfortable temperature. He also conducts several test missions, labeled as 'Sirius' missions, to ensure the rover’s modifications are effective and to gauge its performance over longer distances. During these missions, Watney experiences the profound isolation of Mars and the harsh reality of his situation. He continues to document his progress and challenges in his log entries, maintaining a sense of humor and determination. Watney plans a multiday field trip, Sirius 4, to further test the rover’s capabilities and to prepare for the eventual journey to Ares 4.

Dr. Venkat Kapoor appears on CNN to discuss Mark Watney's recent EVAs, revealing that Watney is preparing Rover 2 for a long trip, likely heading towards the Ares 4 site. Venkat expresses deep concern over the dangers of such a journey and emphasizes the need for Watney to stay put until a rescue plan is in place. Meanwhile, a high-level NASA meeting is convened to address the crisis, with discussions centered on the RTG's safety, the modification of the MDV for a potential rescue, and the urgency of sending a presupply mission to sustain Watney for the next four years.

Mindy Park updates Venkat on Watney's movements, noting that he has traveled 76 kilometers away from the Hab, suggesting he is not heading to Ares 4. Further analysis reveals that Watney is actually traveling towards the Pathfinder site, a discovery that excites Venkat as it could provide a means of communication. Venkat immediately contacts Bruce Ng at JPL to mobilize the Pathfinder team, hoping that Watney can reactivate the old rover and establish contact with Earth.

Mark Watney continues his journey on Sol 79, detailing his daily routine and the challenges of living in the cramped and smelly Rover 2. He describes his morning hygiene routine, the management of waste, and the process of setting up and dismantling solar panels each day. Watney reflects on the monotony of his drive and the psychological strain of isolation, finding solace in the thought of being the first to explore vast areas of Mars.

On Sol 80, Watney reaches a point 100 kilometers from the Pathfinder site, navigating by the moon Phobos due to the lack of landmarks. He names a valley after Commander Lewis and uses a small unnamed crater as a navigation reference. Watney's spirits lift as he nears his destination, looking forward to the possibility of reestablishing communication with Earth. On Sol 81, he drives closer to Pathfinder, encountering rougher terrain and reflecting on his numerous 'firsts' on Mars, including the longest solo drive and the longest stay.

By Sol 82, Watney successfully locates the Pathfinder lander and the Sojourner rover. He digs out the lander, removes the central panel containing the communication equipment, and devises a method to transport it back to the rover. Watney explains the potential of using Sojourner's wheels for communication once he reestablishes contact with NASA. On Sol 83, he builds a ramp to load the heavy lander onto the rover's roof, a physically demanding task that leaves him sore but accomplished. Watney prepares to head back to the Hab with his new equipment.

Navigating the vast and featureless Acidalia Planitia, Mark Watney uses the moon Phobos for direction, despite the challenging terrain and lack of visible tracks. On Sol 92, a brief signal from the Hab beacon confirms he is on the right path, boosting his morale. By Sol 93, Watney locates the Hab signal and determines he is 24,718 meters away, planning to reach it the next day. Reflecting on the cramped conditions of the rover, he misses his crewmate, Rick Martinez, who could have helped with his aching back. Upon arriving at the Hab on Sol 94, Watney celebrates his return with a few laps around the spacious interior and immediately sets to work, reactivating the oxygenator and atmospheric regulator, checking on his crops, and integrating the solar panels back into the Hab’s power grid. He disposes of the RTG at a safe distance to prevent radiation exposure and prepares to work on the Pathfinder lander. On Sol 95, Watney begins the repair process, cleaning Sojourner’s solar panels and attempting to power the lander using a voltage controller and a spare heater from Rover 1. By Sol 96, although the lander has not yet reestablished communication with Earth, Watney remains hopeful, understanding the various factors that could delay the process.

The JPL team, led by Venkat and Bruce, successfully establishes communication with Mark Watney via the Pathfinder lander, marking a significant breakthrough in the mission to rescue him. Venkat and Bruce celebrate the achievement, and Venkat addresses the media, explaining the initial communication method using the camera and antenna parts. Watney, elated by the reconnection, writes detailed messages to NASA, providing updates on his status, the crops, and his plans to drive to Ares 4. He expresses his gratitude and a desire to communicate faster, leading to a complex plan to hack the rover's software for more efficient communication.

Jack Trevor, a software specialist at JPL, devises a plan to update the rover's software to allow direct communication with Pathfinder. This involves a series of intricate steps, including sending the patch file and having Watney execute it manually. Despite the complexity, the plan succeeds, and the rover is patched, enabling real-time communication. Venkat and the team exchange messages with Watney, discussing the rescue plans and the crew's unawareness of his survival. Watney insists on informing the crew, and Mitch, the flight director, convinces Teddy to allow the crew to be informed, given the progress in the rescue efforts.

The media frenzy surrounding Watney's survival intensifies, and Annie Montrose, the media relations director, pushes for a photo of Watney, leading to a humorous but tense interaction with Venkat. The chapter concludes with Teddy reflecting on the mission and Watney's resilience, reaffirming NASA's commitment to bringing him home.

The crew, believing Mark Watney to be dead, prepares to evacuate Mars due to an impending severe sandstorm. Despite the harsh conditions, Commander Lewis attempts to search for Watney, dragging rock-drill bits along the ground to try and locate him. The MAV, the crew's only means of escape, begins to tip dangerously, and Martinez uses the orbital maneuvering system to stabilize it, consuming valuable fuel in the process. After stabilizing the MAV, the crew reluctantly follows Lewis's orders to launch, leaving Watney behind. The launch is successful, but the crew is somber, especially Lewis, who feels immense guilt over leaving Watney. Four months later, the crew receives a shocking message from Mitch Henderson, revealing that Watney is still alive and has been communicating with NASA. Overwhelmed with a mix of joy and regret, the crew processes the news and the implications of a potential rescue mission, grappling with the emotional and logistical challenges ahead.

Mark Watney continues to navigate his newfound communication with NASA, which has led to a barrage of instructions and micromanagement from Earth. Despite the annoyance, he appreciates the e-mails from friends, family, and even the President, and he is particularly touched by a message from his mother. NASA has also solved the weight problem on Ares 4’s MDV, increasing his chances of being rescued. Watney is tasked with preparing for the arrival of the presupply probe, which is set to bring essential supplies and equipment.

Watney faces a new challenge when the water reclaimer malfunctions, reducing its output to half. NASA is concerned, but Watney, displaying his independence, disassembles and repairs the unit himself, solving the problem. His actions highlight the tension between his need for autonomy and NASA’s desire for control. Meanwhile, the construction of the new Hab canvas is meticulously prepared and tested on Earth before its launch to Mars.

A medium-grade sandstorm hits the Hab, causing Watney to worry about potential damage to the Pathfinder. Despite the storm's intensity, he remains confident in the durability of the equipment. However, the storm masks a critical weakness in the Hab canvas, specifically in a section called AL102, which has been repeatedly stressed by the airlock cycles. During a routine EVA to inspect the damage, Watney experiences a catastrophic breach in the Hab, causing the airlock to detach and launch him into the Martian landscape, leaving him injured and in a dire situation.

Trapped in the airlock following the catastrophic breach of the Hab, Mark Watney faces a dire situation with limited air and a damaged EVA suit. Venting his frustration in an audio log, he quickly shifts to problem-solving mode, determined to survive. Watney identifies a small leak in the airlock and uses duct tape to seal it, buying himself more time. With the airlock secured, he turns his attention to the EVA suit, cutting off the left arm to create a patch for the broken faceplate and securing it with resin from the patch kit. Despite the challenges, he manages to create a temporary fix, though the suit is now severely compromised and barely functional. Realizing he needs another EVA suit, Watney decides to retrieve Martinez’s suit from the collapsed Hab. Using his remaining strength and ingenuity, he rolls the airlock closer to the Hab, enduring a painful and exhausting process. He successfully retrieves Martinez’s suit, which is pinned under debris, and makes it back to the rover just in time. Once inside the rover, Watney replaces his broken helmet and refills his air tanks, securing a more stable EVA suit. Assessing the damage to the Hab and the loss of his farm, Watney realizes that his food supply is critically reduced. He lines up rocks near the rover to spell ‘A-okay’ for NASA and plans to repair the Hab and reestablish communication with Pathfinder. Despite the setbacks, Watney remains determined and resourceful, focusing on the immediate tasks of survival.

Mark Watney communicates with JPL, confirming the catastrophic breach of the Hab and the loss of his farm. He reports that he has recovered 1841 potatoes, which will last him 184 days, and that he will start starving on Sol 584. JPL informs him that they are working on a solution to the food issue and that the Hab systems are mostly intact, except for the water reclaimer, which Watney fixes.

Meanwhile, JPL convenes a high-level meeting to discuss the challenges of launching the presupply probe, Iris, within the tight deadline. Bruce Ng, the project leader, admits they are behind schedule, and Teddy Sanders proposes speeding up the process by reducing inspections, despite the increased risk. The team agrees to take the necessary risks to ensure the probe is launched on time.

The launch of Iris is a major event, with global media coverage and a large crowd at Cape Canaveral. However, during the ascent, a minor shimmy causes a catastrophic shift in the payload, leading to the failure of the bolts holding Iris in place. The probe is lost, and the mission control team is devastated. Teddy prepares to deliver the bad news to the public, while Venkat receives a message from Watney asking about the launch.

Guo Ming, the director of the Chinese National Space Administration (CNSA), learns that the booster for their upcoming Taiyang Shen mission has sufficient fuel to reach Mars. This discovery presents a viable option for launching a supply probe to aid Mark Watney. Guo Ming and Under Director Zhu Tao propose a deal to NASA, offering the booster in exchange for a Chinese astronaut joining the Ares 5 mission.

Meanwhile, at NASA, Rich Purnell, an astrodynamicist, presents a radical new plan to Venkat Kapoor. The 'Rich Purnell Maneuver' involves a series of complex maneuvers that would allow the Hermes spacecraft to intercept Mars on Sol 549, thirty-five sols before Watney runs out of food. This plan would require the crew to extend their mission by 533 days and Watney to travel 3235 kilometers to the Ares 4 MAV. Despite the risks, the plan offers a higher chance of success compared to the crash-landing probe.

NASA leadership, including Teddy Sanders, debates the merits and risks of the maneuver, ultimately deciding to proceed with the crash-lander due to the lower risk to the crew. However, the Hermes crew, learning of the plan through a covert message to Vogel, takes matters into their own hands. Led by Commander Lewis, they unanimously agree to execute the Rich Purnell Maneuver, disabling the remote override on Hermes and beginning the course adjustment. Mission Control discovers the Hermes course change and alerts NASA leadership, leading to a frantic response. Mitch Henderson, suspected of leaking the plan to the crew, confronts Teddy, defending the decision and the importance of taking risks to save lives.

With the news that NASA has devised a plan to rescue him using the Hermes spacecraft, Mark Watney sets out to prepare for the 3200-kilometer journey to the Ares 4 MAV. The first step is to modify the rover to carry essential life support systems. Watney begins by cutting a large hole in the trailer rover's hull to accommodate the atmospheric regulator, oxygenator, and water reclaimer. The process involves drilling 760 holes, each taking 160 seconds, and requires meticulous planning and execution.

Watney successfully modifies a drill to run on Hab power and starts drilling, making steady progress over several sols. However, on Sol 196, disaster strikes when the drill's power line causes a short circuit, frying Pathfinder's delicate electronics and severing his communication with Earth. Left isolated once again, Watney must find a way to survive and communicate with NASA.

Following the catastrophic loss of communication with Earth after the destruction of Pathfinder, Mark Watney faces the daunting task of modifying the rover to carry essential life support systems for his journey to the Ares 4 MAV. He begins by calculating the power requirements and devising a plan to reduce the energy consumption of the oxygenator and atmospheric regulator. Watney realizes that he can use the RTG to heat the return air from the regulator, significantly reducing its power consumption. He also experiments with increasing the rover's power generation and storage capabilities, adding more solar panels and finding innovative ways to secure them to the rover and trailer. Additionally, he removes unnecessary components from the rover and trailer to create more space for essential supplies and equipment. Despite setbacks, including a back injury, Watney remains determined and resourceful, pushing through the challenges to ensure his survival. Watney takes a moment to reflect on the upcoming Hermes resupply probe launch, expressing his nervousness about the crew's safety. He continues to document his progress and challenges in his log entries, maintaining a sense of humor and determination throughout the process.

Commander Lewis confides in her husband, Robert, about the upcoming docking with the Taiyang Shen, expressing her concerns and the crew's readiness. Meanwhile, Venkat and Teddy arrive in Beijing, where they are greeted by a Chinese guide and translator, Su Bin Bao, who ensures their smooth transition through customs and to their hotel.

Back at Mission Control, Vogel shares his worries about the mission's safety with his wife, Helena, and the well-being of his mother. The conversation highlights the emotional toll of the extended mission on their families. Beck discusses his role as the EVA specialist with his sister, Amy, explaining the risks involved in the probe docking process. Martinez talks to his wife, Marissa, and their young son, David, addressing her concerns and the impact on their family life.

Johanssen has a tense conversation with her father, who is deeply worried about the mission. She reveals a secret plan that Commander Lewis has shared with her: in the event that the probe fails, she has been chosen to survive by taking pills to ensure the others' quick demise. This revelation underscores the high stakes and the emotional burden carried by the crew.

The chapter also covers the successful launch of the Taiyang Shen from Jiuquan, with Venkat and the Chinese team celebrating the achievement, though Under Director Zhu Tao expresses disappointment that the probe's scientific potential has been sidelined for this rescue mission. The resupply probe successfully docks with Hermes, guided by Martinez and Johanssen, marking a significant step forward in the mission to rescue Watney.

Mark Watney completes the final modifications to the rover, focusing on maintaining life support systems and ensuring the atmospheric regulator functions properly. He creates a heat reservoir using the RTG to efficiently transfer heat to the return air from the regulator, significantly improving the rover's heating capabilities.

Watney also constructs a makeshift bedroom to provide a more comfortable living space during his long journey to Schiaparelli. He repurposes the remaining pop-tent and additional canvas from the Hab to create a larger, more habitable space. The process involves careful planning, cutting, and sealing, with Watney successfully testing the bedroom for leaks and functionality.

Throughout the chapter, Watney reflects on the legal implications of his actions, jokingly considering himself a space pirate once he commandeers the Ares 4 lander. He also contemplates the challenges of the upcoming journey, particularly the difficult terrain and the need for careful planning and preparation.

Watney’s preparations are nearing completion, and he is set to leave on Sol 449. Despite his eagerness to leave, he is also apprehensive about abandoning the Hab, a place that has been his home for months. He draws inspiration from the bravery and coolness of Apollo astronauts, reminding himself of the courage required to face the unknown.

Mark Watney continues his meticulous preparations for the arduous journey to Schiaparelli. He focuses on packing and testing the rover and trailer, ensuring that vital life support systems are distributed effectively to withstand the harsh Martian environment. Watney constructs a makeshift bedroom for added comfort, rigorously testing it to ensure it holds pressure and provides adequate heating. Despite initial setbacks, including a failed bedroom test and the depletion of his caffeine pills, Watney resolves these issues and completes a successful five-sol test run, refining his routine for setting up and breaking down the bedroom, managing solar panels, and monitoring life support systems.

Meanwhile, NASA and the Hermes crew receive critical updates on Watney's progress. The team learns about a developing dust storm in Arabia Terra, which could severely impact the rover's power generation and jeopardize the mission. The Hermes crew discusses their own challenges, such as deteriorating life support systems and climate control issues, and adjusts their living arrangements accordingly.

On Sol 449, Watney prepares for his departure by cooking and freezing the remaining potatoes to ensure they remain digestible and nutritious. He performs final diagnostics on all systems and shuts down the Hab, reflecting on the time he spent there. With everything in place, Watney sets out on his 45-sol journey to Schiaparelli, determined to reach the Ares 4 MAV and rendezvous with the Hermes.

Mark Watney continues his journey across Mars, reaching Mawrth Vallis and making steady progress. His routine includes Air Days, which serve as rest days, and he navigates using a homemade sextant and observations of Phobos and Deneb. Reflecting on his time in Acidalia Planitia, Watney finds psychological significance in each milestone.

Entering Arabia Terra, the terrain becomes more challenging, and Watney must navigate around large craters. He successfully passes between Rutherford and Trouvelot craters, continuing to gather soil and rock samples. Suddenly, a dust storm rolls in, reducing the efficiency of his solar panels and obscuring his visibility. Watney understands the gravity of the situation and must quickly determine the best path to avoid the storm.

Back on Earth, the media and NASA monitor Watney's progress closely. Dr. Venkat Kapoor discusses the dangers of the dust storm with CNN, emphasizing the critical nature of Watney's situation. Mindy Park, monitoring satellite images, notices that Watney has not moved and reads his urgent message about the dust storm. She immediately contacts Venkat, highlighting the urgency of the situation.

On the Hermes, Commander Lewis and Martinez discuss the possibility that Watney may not make it to Schiaparelli. Martinez expresses unwavering faith in Watney's resourcefulness and survival skills, while Lewis remains concerned but hopeful. The chapter ends with Watney facing a critical decision, realizing he must act swiftly to avoid being overwhelmed by the dust storm.

Amid the dust storm, Mark Watney, on Sol 476, devises a plan to navigate around the storm that is affecting his solar panel efficiency. He creates a makeshift power logger using cameras from a spare EVA suit and power meters to record the wattage at different locations. Watney leaves solar cells at intervals to the south and returns to collect the data, determining that the storm is moving westward and is north of his position. By Sol 484, he confirms that he has cleared the storm, allowing him to resume his direct journey to Schiaparelli.

Watney reflects on the temptation to visit the Opportunity rover, which is only 300 kilometers away, but decides it's not worth the detour given his proximity to the MAV. He contemplates the setup of his bedroom once he reaches the MAV, planning to use the trailer as his living space and the bedroom as a housing for the oxygenator and atmospheric regulator. On Sol 497, Watney is on the verge of entering the Schiaparelli Basin, with only a few sols left before he reaches the MAV. However, as he descends the Entrance Ramp, the rover encounters a hidden ridge and tumbles, rolling over and damaging the solar cells and trailer. Watney is left alive but in a precarious situation.

Mark Watney faces the daunting task of righting both the rover and the trailer after the crash. Using a combination of ingenuity and physical labor, he levers the rover upright and digs a hole to flip the trailer. Despite the challenges, Watney remains optimistic and methodical, completing the tasks over several sols. By Sol 502, he has successfully righted both vehicles and reconnected their systems, ready to continue his journey to the MAV.

NASA closely monitors Watney’s progress, and Mindy Park provides regular updates to the team. The mood at Mission Control lifts as Watney sends reassuring messages, confirming that everything is working and he is on track to reach the MAV. Watney drives cautiously down the Ramp, eventually reaching the Schiaparelli Basin and regaining full daylight. He celebrates his progress with a special meal and continues to make steady progress, catching a blip from the MAV’s homing signal on Sol 504.

On Sol 504, Watney makes a significant 90-kilometer drive, bringing him within 50 kilometers of the MAV. Elated to catch the MAV’s homing signal, which confirms his direction and boosts his morale, he reaches the MAV the next day. Performing a series of celebratory gestures, Watney finally enters the airlock, marking a major milestone in his journey.

Mark Watney finally reaches the MAV, a critical milestone in his journey back to Earth. He conducts a thorough systems check, ensuring everything is operational before starting the life support systems. Watney feeds the MAV with oxygen and nitrogen from the rover, a crucial step in preparing for the launch. Meanwhile, NASA congratulates him on his progress and provides detailed instructions for the extensive modifications required to lighten the MAV. These include removing non-essential systems and adding extra hydrogen from electrolyzed water. Watney begins the meticulous process of modifying the MAV, aware of the high stakes involved. Back at Mission Control, the Hermes crew prepares for the critical launch and interception. Martinez practices remote piloting techniques, while Beck readies himself for the EVA to recover Watney.

The world watches with bated breath as Mark Watney prepares to launch from Mars to rendezvous with the Hermes. Despite initial success, the MAV's ascent is sluggish, and the canvas covering the ship tears, causing Watney to lose consciousness. On Hermes, Commander Lewis and her crew realize the intercept distance is too great and the velocity is too high, necessitating a daring plan to vent the ship's atmosphere to slow down.

Vogel constructs a bomb to breach the VAL (vehicular airlock), and the crew meticulously prepares for the operation. Beck, who must traverse the hull to lock the outer airlock door, is kissed by Johanssen for luck. The bomb is set off, and the crew endures the violent decompression. Beck successfully grabs Watney and uses his MMU to match Hermes' velocity, bringing Watney aboard. Cheers erupt in the control room, and the world celebrates the successful rescue.

Watney, now aboard Hermes, reflects on the incredible effort that went into saving him. He notes the sacrifices made by his crewmates and the global community, highlighting the fundamental human instinct to help others. Despite his injuries and the smell of his unwashed body, Watney is overjoyed to be reunited with his crew and on the path back to Earth.