This is our comprehensive fact sheet previewing the United Launch Alliance Atlas 5 rocket deployment of the classified NROL-52 payload for the National Reconnaissance Office.

SpaceX will not be making a Falcon 9 launch attempt Tuesday night. The next opportunities to launch the Falcon 9 with 60 Starlink satellites from pad 39A at the Kennedy Space Center will come at 3:24 a.m. EST (0824 GMT) or 5:42 a.m. EST (0942 GMT) Thursday. This change in launch time suggests SpaceX will target a different orbital plane within the Starlink constellation.

The liftoff of a European satellite to measure global wind fields has been delayed 24 hours to Wednesday in hopes of a better weather forecast at the Vega rocket’s launch base in French Guiana, officials announced Monday.