SpaceX is set to launch the 5th batch of Starshield satellites for the NRO using a Falcon 9 rocket.The NROL-126 mission will send the latest batch of the NRO's 'proliferated architecture' to low Earth orbit.The payload is believed to be the government variant of Starlink satellites called 'Starshield'.The Falcon 9 first stage booster will attempt to land on the SpaceX droneship after liftoff.