SpaceX is on the cusp of another historic mission, this time with a familiar face – billionaire Jared Isaacman. Following his groundbreaking Inspiration4 flight in 2021, Isaacman is gearing up for launch number two, with a spacewalk as the centerpiece of this ambitious endeavor.
Polaris Dawn: A Mission of Many Firsts
The upcoming mission, christened Polaris Dawn, targets an early summer launch. Isaacman will be joined by a carefully curated crew of three, including SpaceX employees Anna Menon and Sarah Gillis serving as mission specialist and medical officer respectively, and his pilot friend Scott Poteet, a retired Air Force Lieutenant Colonel who brings valuable experience from his time with the Thunderbirds. This mission has its sights set on achieving several significant milestones:
- First Commercial Spacewalk: The crown jewel of Polaris Dawn is the planned spacewalk. This momentous event will see Isaacman and a crewmate become the first private citizens to ever conduct a spacewalk, venturing outside the Crew Dragon capsule in a historic leap for commercial space exploration.
- Reaching New Heights: Polaris Dawn aims to push the boundaries of space travel by taking the Crew Dragon to an orbital altitude exceeding the record set by the Gemini 11 mission in 1966. This high-altitude journey will provide valuable data on the effects of space radiation on the crew and spacecraft systems.
- Testing the Future: The mission isn’t just about sightseeing at high altitudes. The crew will also participate in a variety of scientific experiments designed to advance our understanding of spaceflight and its impact on the human body. Additionally, they will test laser-based communication using Starlink satellites, a technology that holds promise for future missions venturing farther into the cosmos.
Spacesuits Designed for the Unknown: Safety in the Stars
To ensure crew safety during the spacewalk, a critical aspect of the mission where the Crew Dragon cabin will be depressurized, SpaceX unveiled a new generation of extravehicular activity (EVA) suits during a recent event. These specially designed suits are packed with innovative features to keep the crew safe in the harsh environment of space:
- Advanced Display Systems: The EVA suits boast advanced helmets equipped with digital heads-up displays. These displays provide vital information to the wearer in real-time, including suit pressure, temperature, and humidity, allowing for a higher degree of situational awareness during the spacewalk.
- Enhanced Mobility and Protection: The suits are designed with both mobility and protection in mind. They offer greater flexibility for movement during the spacewalk, crucial for completing tasks outside the spacecraft. Additionally, the suits incorporate a series of advanced seals and pressure valves, providing superior protection against the unforgiving vacuum of space.
Pushing the Boundaries: A Stepping Stone for Future Exploration
Isaacman recognizes the significance of this mission, particularly the spacewalk. He views it as a crucial stepping stone towards future space exploration endeavors, where astronauts will routinely need to perform spacewalks for scientific research, construction, and maintenance of spacecraft and habitats on the Moon or Mars.
A Tightly Packed Schedule: Polaris Dawn Threads the Needle
While originally aiming for a late 2022 launch, Polaris Dawn was delayed to ensure the meticulous development of the EVA suits and prioritize crew safety. This puts the mission on a tight schedule, targeting a summer liftoff amidst SpaceX’s ongoing busy launch year with multiple Crew Dragon missions planned for the remainder of 2024.
Isaacman acknowledges the ambitious nature of the mission, highlighting the rapid development timeframe required to meet the launch window. However, both he and SpaceX appear undeterred, ready to push the boundaries of space exploration and make history with Polaris Dawn. This mission represents a significant leap forward for commercial spaceflight, paving the way for a future where space is no longer the sole domain of government agencies, but a realm accessible to private citizens and ripe for exploration.