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LANDSAT 9 LAUNCH, Sept 27, 2021, VAFB, 2:12 pm ET
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Update, September 26: According to launch service provider United Launch Alliance, the launch time has been refined to 2:12 pm ET instead of 2:11 pm ET.
Final preps are underway at Vandenberg Space Force Base, CA for Monday’s launch of #AtlasV at 11:12amPDT (2:12pmEDT; 1812 UTC). Countdown coverage begins at 3amPDT (6amEDT; 1000 UTC). And we will be playing trivia for your chance to win a ULA Swag Pack! https://t.co/W859rlSMf3 pic.twitter.com/sxFtfQ2Nbb
— ULA (@ulalaunch) September 26, 2021
Update, September 20: The launch is confirmed for September 27, 2021 at 2:11 pm ET. NASA TV coverage begins at 1:30 pm ET. A science briefing and pre-launch news conference are scheduled for September 24 and 25, respectively. See our separate calendar entries for those events.
Update, Sepember 16: The launch has been delayed again, to NET September 27.
Update, August 28: The launch has been postponed to No Earlier Than (NET) September 23. NASA announced the delay in an August 27 press release but did not explain why. However, a report in a local Santa Barbara, CA (near VAFB) newspaper says it is because of delays in delivery of liquid nitrogen due to the COVID pandemic.
Original Entry: NASA and the U.S. Geological Survey will launch Landsat 9, the next in the Landsat series of earth observation satellites launched since 1972, on September 16, 2021 from Vandenberg Air Force Base, CA at 2:11 pm ET. Launch is on a United Launch Alliance Atlas V rocket.