POV: We Got Drenched by Pad 2's Deluge | SpaceX Starbase

NASA Spaceflight (NSF)
NASA Spaceflight (NSF)May 17, 2026

Why It Matters

The deluge tests directly affect Starship’s launch cadence and cost, making rapid‑reuse viable and influencing the commercial launch market.

Key Takeaways

  • SpaceX tests new deluge system on Pad 2 for rapid reuse.
  • Water flow pressures must match launch plume forces to protect pad.
  • Pad‑1 service structure being assembled off‑site for upcoming launch.
  • Ship 39 rolled out for further testing, indicating pre‑flight progress.
  • Wet‑dress rehearsal schedule remains uncertain, but likely soon.

Summary

The video provides a live‑field update from SpaceX’s Starbase in Boca Chica, focusing on the ongoing testing of the Pad 2 deluge water‑spray system as the company races toward its next Starship launch.

Engineers are firing high‑pressure water jets to simulate the acoustic and thermal loads of a full‑thrust launch, verifying flow rates, pipe integrity, and pressure relief valves. The footage shows multiple “deluge” tests, a massive water tank fed by Brownsville tap water, and the construction of a Pad 1 service structure that will later be moved to the flame trench.

Host remarks highlight the “rainbow” of water plumes and compare the splash zone to a water‑park ride, while noting that the water is non‑hazardous. Observers also point out the rollout of Starship 39 toward the “Massie” test area and the presence of large cylindrical tanks and pivot mechanisms whose exact function remains unclear.

Successful validation of the deluge system is critical for SpaceX’s rapid‑reuse goal, as it protects the launch pad from damage and reduces turnaround time. With a wet‑dress rehearsal likely imminent, the tests signal that the company is closing the gap between pad preparation and the next high‑profile Starship launch.

Original Description

SpaceX is preparing for Flight 12 with both the vehicles and the pad, the latter involving numerous impressive Deluge tests on Pad 2.
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Narration by John Galloway.
🎥 Video from Ceaser G, Colleen, Gage, and Starbase Live.
✂️ Edited by Thomas Hayden (@_thomashayden).
🔍 If you are interested in using footage from this video, please review our content use policy: https://www.nasaspaceflight.com/content-use-policy/
L2 Boca Chica (more clips and photos) from BC's very early days to today.
(Join L2 and support NSF here: https://www.nasaspaceflight.com/l2/)
Timestamps:
0:00 Full Pad 2 Deluge Test
1:30 Second Deluge Test
2:53 Third Deluge Test
4:03 Orbital Pad 1
4:19 Pad 1’s Service Structure
4:37 Work on the Air Separation Unit
5:22 Vertical Tank Waiting for Install
5:31 Work on Air Compressor Housing
5:57 Something Attached to a Nosecone
6:26 Gigabay Construction
6:52 Ship 39’s Heatshield
7:26 Ship 39 Rolled to Massey’s
10:35 Ship 39 Testing
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