As expected in this scenario, there is damage to the launch facility. All personnel are safe, and fires have subsided. We'll plan our return to flight after investigations are complete. Thanks to our stakeholders and the space community for the expressions of support.

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ABL

@ablspacesystems

Jan 11

Early in today's flight, all nine of RS1's E2 engines shut down simultaneously. RS1 impacted the pad and was destroyed.

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This is not the outcome we were hoping for today, but one that we prepared for. We'll revert with additional information when available. Thanks to all for the support.

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After liftoff, RS1 experienced an anomaly and shut down prematurely. The team is working through our anomaly response procedures in coordination with PSCA and the FAA.

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Updated T0 is 14:27 AKST (23:27 UTC). Our next update will be after the conclusion of the mission.

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Team has polled GO for propellant fill. Updated T0 is 14:18 AKST (23:18 UTC). Current POV is 30% due to triggered lightning.

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Team has polled GO for vertical raise. T0 remains at 13:00 AKST (22:00 UTC). Winds are light, but the meteorology team is tracking moderate risk of triggered lightning due to low clouds.

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We’re standing down from today's attempt due to high winds. Our next attempt will be tomorrow at the same time.

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Wet dress rehearsal complete. We are targeting a launch attempt tomorrow at 13:00 AKST (22:00 UTC).

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The team is implementing fixes and working towards a launch attempt during our next launch window opening on January 9th.

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At T-6m in Thursday’s terminal count, we observed unexpected electrical interference in our avionics system. The issue has only presented during live propellant ops, not dry vehicle testing or in the lab. This indicates a thermoelectrical or thermomechanical root cause.

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Operators observed off-nominal data and initiated a manual abort at T-6m. RS1 is healthy. We have decided to proceed with propellant off-load to investigate further. More information to come on our next opportunity.

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Team has polled GO for terminal count. Updated T0 is 14:49 AKST (23:49 UTC).

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Team has polled GO for propellant fill. Updated T0 is 14:36 AKST (23:36 UTC). Wind conditions continue to be acceptable.

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RS1 is go for vertical raise. Currently targeting 13:00 AKST (22:00 UTC) for launch. Upper level winds are being monitored and are currently acceptable.

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Due to an incoming weather system, we are standing down from tomorrow's launch attempt. We are monitoring elevated wind levels over the coming days and will provide an update on our next opportunity when conditions improve.

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RS1 Flight 1 Update

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RS1 aborted during ignition at T-1.75s. The vehicle is healthy, and the team is setting up to offload propellant for today. Our next launch window opens on December 7th.

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Updated T0 is 13:32:30 AKST (22:32:30 UTC)

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The ABL team has polled GO for propellant fill. We are targeting a T0 of 13:24 AKST (22:24 UTC). Weather is tracking at a 40% POV due to triggered lightning.

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Ignition abort occurred at T-1.8s due to E2 turbopump oxygen inlet conditions. LOx conditioning procedures have been updated. Targeting Monday 11/21 at 1pm AKST (10pm UTC) for next launch attempt.

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RS1 aborted terminal count during ignition. The vehicle is healthy, and the team is setting up to offload propellant for today. More information to come on our next opportunity.

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