Group 1 - NASA heavily relies on SpaceX for its near-Earth and deep space exploration goals, with SpaceX executing over 80% of NASA's orbital launch missions in 2024 [1] - Since the retirement of the Space Shuttle in 2011, NASA lost its ability to send astronauts into space and depended on Russian spacecraft until the Crew Dragon spacecraft was operational [2] - NASA's Artemis lunar program is significantly dependent on SpaceX's Starship, which will serve as a lunar lander and a refueling station for missions to the Moon [3] Group 2 - Boeing's Starliner spacecraft has faced significant delays and issues, leading NASA to abandon its plans for using it for crewed missions [2] - The Crew Dragon spacecraft is currently the only option for NASA to send astronauts to low Earth orbit using domestic capabilities [2] - The Artemis program's success hinges on the integration of SpaceX's Starship for lunar landings and support operations [3]