Welcome to today's Space Briefing, a biweekly roundup of the latest national security space news. Top Story USD R&E approves $900 million SpEC ceiling increase Under Secretary of Defense for Research and Engineering Mike Griffin has approved a $900 million ceiling increase for the Air Force Space and Missile Systems Center's Space Enterprise Consortium -- nearly tripling the program's funding limit. News & Notes SMC creates initial space enterprise ground transition plan The Space and Missile Systems Center has developed...