Overview

• SpaceX's Crew Dragon capsule modified for the first-ever private spacewalk.
• Mission delayed by one day to complete preflight checkouts; new launch date is August 27.
• Polaris Dawn will reach an altitude of 435 miles, the highest since the Apollo missions.
• New spacewalk suits include advanced thermal management and radiation protection.
• Laser communication system using Starlink satellites will be tested during the mission.