SpaceX's most important customer is officially unhappy with the company’s trajectory toward returning American astronauts to the Moon, which may lead to one of Elon Musk’s most hated rivals getting that business instead. In TV appearances on Monday morning, NASA Acting Administrator Sean Duffy said the space agency is reopening the contract to build a crewed lunar lander for Artemis III, the mission that's set to return American astronauts to the Moon’s surface for the first time since 1972 – and which President Trump wants to see happen by 2028. Duffy only named one company as a possible alternative: Blue Origin, the Jeff Bezos-owned space firm that Musk has spent years mocking as a pretender. “I’m going to let other space companies compete with SpaceX, like Blue Origin,” Duffy said. “If SpaceX is behind and if Blue Origin can do it before them, good on Blue Origin.” In response, took to X to post a poll asking “Should someone whose biggest claim to fame is climbing trees be runn...