Welcome to today’s Space Briefing -- a biweekly roundup of the latest national security space news. Top Story Northrop eyeing next round of NSSL competition As the Space Force plans for its next phase of competition for the National Security Space Launch program, Northrop Grumman officials said recently they are closely watching the process as they weigh whether to invest in a system to compete for that effort. News & Notes Raytheon's Next-Gen OPIR sensor payload passes CDR Raytheon Technologies...