Core Viewpoint - Elon Musk has launched a fierce attack on Sean Duffy, the acting head of NASA, criticizing his intelligence and leadership capabilities, particularly in light of Duffy's efforts to merge NASA with the Department of Transportation [2][3]. Group 1: Conflict Background - The conflict stems from Duffy's public criticism of SpaceX's progress on the new lunar lander, which NASA relies on for astronaut transportation to the International Space Station [4][5]. - Duffy has stated that SpaceX is behind schedule in developing the lunar lander, which is expected to be completed by 2027 [5][10]. - Musk countered Duffy's claims by asserting that SpaceX's progress is faster than that of other space companies [5]. Group 2: Responses and Reactions - Following Duffy's remarks, Musk mocked Duffy's achievements, questioning whether someone with a background in tree climbing should manage the U.S. space program [7][9]. - Duffy responded by emphasizing the importance of competition among innovators, suggesting that it benefits the U.S. space industry [5]. Group 3: Technical Challenges and Developments - SpaceX's lunar lander project faces significant technical challenges, including the need for large-scale fuel transfer in orbit before it can carry NASA astronauts [10]. - NASA has requested SpaceX to submit a plan to accelerate the development of the lunar lander by October 29, with similar options available to Blue Origin [11]. - Lockheed Martin is also developing an alternative lunar lander and collaborating with several companies to expedite the project [12].