<ul><li>SpaceX is set to launch the NRO's ninth mission, NROL-192, with a Falcon 9 rocket.</li><li>The launch will mark the 400th launch of a previously flown Falcon booster.</li><li>The NROL-192 mission is part of the National Reconnaissance Office's proliferated architecture satellite constellation.</li><li>The satellite constellation aims to enhance reconnaissance, surveillance, and intelligence gathering capabilities.</li></ul>

Live coverage: SpaceX to launch Starshield satellites for the NRO on Falcon 9 rocket from Vandenberg

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