Polaris Dawn Mission: SpaceX Falcon 9 Rocket & Crew Dragon at Launchpad
Polaris Mission Patch
On Aug. 24, 2024, the Falcon 9 rocket and Crew Dragon spacecraft for the Polaris Dawn Mission was made vertical at Launch Complex 39A (LC-39A) located at NASA's Kennedy Space Center in Merritt Island, Florida. The Dragon spacecraft supporting this mission previously flew Crew-1 to and from the International Space Station, and Inspiration4, the first all-civilian mission to orbit. This will be the fourth flight for the first stage booster supporting this mission, which previously launched Crew-8 and two Starlink missions. Following stage separation, Falcon 9’s first stage will land on the A Shortfall of Gravitas droneship stationed in the Atlantic Ocean. Launch is expected no earlier than Aug. 27, 2024.
The Polaris Program is a planned human spaceflight program organized by businessman and commercial astronaut Jared Isaacman. Isaacman, who commanded the first all-civilian spaceflight— Inspiration4—in September 2021, purchased flights from SpaceX in order to create the Polaris Program.
The Polaris Dawn Mission will fly a specially-modified SpaceX Crew Dragon spacecraft higher than any mission to date since the Apollo program, endeavoring to reach the highest Earth orbit ever flown at approximately 700 kilometers above the Earth. Orbiting through portions of the Van Allen radiation belt, Polaris Dawn will conduct research with the aim of better understanding the effects of spaceflight and space radiation on human health, while testing laser-based communications.
The Polaris Dawn crew is preparing for the mission’s "first commercial spacewalk". This extravehicular activity (EVA) will be the final test for SpaceX’s newly-developed EVA spacesuit.
"Completing the first commercial extravehicular activity in low-Earth orbit is an important first step towards a future where millions of humans are visiting, working, and living on the Moon, Mars, and other destinations in our solar system."
The goals of the spacesuit tests are:
1. Familiarization with how the spacesuit performs in a vacuum
2. Collection of spacesuit and biometric data to assess the overall system’s performance in a flight-like environment
3. Understanding of general impacts of pressure changes on their body during pressurized operations
4. Insight into thermal states expected throughout the spacewalk
5. An elevated metabolic period for the crew to simulate the expected workload during the spacewalk, as well as a reduced-activity period to understand the trend of body temperatures throughout the operation
Polaris Dawn’s spacewalk will be the first time that four astronauts will be concurrently exposed to the vacuum of space. During the approximately two-hour-long operation, Mission Commander Jared Isaacman and Mission Specialist Sarah Gillis will separately exit the Dragon spacecraft through its forward hatch. Mission Pilot Kidd Poteet and Mission Specialist & Medical Officer Anna Menon will remain seated, managing spacesuit umbilicals and monitoring telemetry on Dragon’s interior displays.
Polaris Dawn Crew
Jared Isaacman - Mission Commander
Scott Poteet - Mission Pilot
Sarah Gillis - Mission Specialist
Anna Menon - Mission Specialist & Medical Officer
Learn more about the Polaris Program:
https://polarisprogram.com
Image Credits: Polaris Program/SpaceX
Image Date: Aug. 24, 2024
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