"President Donald Trump will sign a directive on Tuesday to establish a new branch of the military dedicated to space but instead of being a fully independent department it will remain part of the Air Force to assuage concerns in Congress, a senior administration official told POLITICO.
The presidential directive, formally called Space Policy Directive 4, will set the groundwork for a subsequent legislative proposal for Congress, which will have the final say over what has been a signature military objective since Trump announced his intentions nearly a year ago."
politico.com/story/2019/02/18/trump-space-force-1182572