Space Exploration Technologies Corp. (SpaceX) said it signed a Space Act Agreement with the National Aeronautics and Space Administration (NASA) regarding the development of human spaceflight hardware. Space Act Agreements are flexible partnerships that allow NASA to work with industry to develop and transfer technology in support of national priorities and NASA missions.

“This agreement provides a framework for working with NASA on future spaceflight needs in support of low Earth orbit space missions and other steps in the Vision for Space Exploration,” Elon Musk, SpaceX CEO said in a statement. Specific terms of the deal were not disclosed.