Donald Trump has said the newly formed US Space Command will 'defend America's vital interests in space, the next war-fighting domain'. Speaking at a ceremony in Washington, Trump said Space Command would protect US satellites orbiting the planet and detect missile launches abroad, and would be followed by the establishment of the Space Force, 'the sixth branch of the United States armed forces'. Creating a new military branch still requires congressional approval and the matter has met with skepticism from both Democrats and Republicans