At the behest of President Trump, the Pentagon has begun taking immediate steps to establish a sixth branch of the U.S. military -- a Space Force -- by 2020, though its creation requires congressional authorization, according to a new report provided to Congress. "The time has come to establish the United States Space Force," Vice President Mike Pence said at the Pentagon Aug. 9. The Defense Department, according to the report, is taking four immediate steps to establish the Space...