Welcome to today's Space Briefing, a biweekly roundup of the latest national security space news. Top Story SMC 2.0 achieves initial operational capability; Pentagon 'scrambling' to shape scope of new SDA The Air Force's space acquisition hub achieved initial operational capability in November for a major reorganization, a development that comes as the Pentagon considers major management shifts that could change the way the Defense Department buys and operates space capability. News & Notes Lockheed exploring ways to leverage Space...