Welcome to today's Space Briefing, a biweekly roundup of the latest national security space news. Top Story Trump signs Space Force into law, names Raymond chief of space operations President Trump signed the Fiscal Year 2020 National Defense Authorization Act, officially establishing the United States Space Force as the sixth military service, and appointed Gen. Jay Raymond as the first chief of space operations. News & Notes Air Force Space and Missile Systems Center eyes boost to space prototyping fund...