Mission: RADARSAT Constellation (Deployment at about T +54 mins)
Spaceport: Vandenberg AFB California – Space Launch Complex 4E (SLC-4E)
Launch window open: 14:17 UTC / 10:17 ET
Launch window close: 14:30 UTC / 10:30 ET
Alternate window is 24 hours later (on 13 June)
Reused Falcon 9? Yes, it was the Crew Dragon 1st stage in March 2019.
Landing attempt? Yes and at SpaceX’s Landing Zone 4 (LZ-4) at Vandenberg Air Force Base! Should get some good looks at it.
Replays later in the day.
Good luck SpaceX!