United Launch Alliance was scheduled to launch the rover, named Perseverance, on an Atlas V rocket sometime in July. The last launch date was pushed to July 22 now NASA says it is targeting no earlier than July 30. NASA officials said they experienced rocket processing delays preparing to mount the spacecraft to the rocket that will carry the rover to Mars leading to the first launch time change. NASA said flight analysis teams have expended this year’s Mars launch window by five additional days to August 15 and are looking into whether that could push further into August. After launch, the Perseverance rover will land in the Mars Jezero creator in late February where it will seek signs of ancient life and collect samples to return to Earth on another mission.