ULA(@ulalaunch):Vulcan Wet Dress Rehearsal (WDR)✔️ Yesterday, ULA conducted a Wet Dress Rehearsal (WDR), at Space Launch Complex-41. This full day-of-launch demonstration loaded propellant into the Vulcan rocket and new LEO-optimized Centaur V upper stage, and tested functions of the new Vulcan Launch Platform (VLP)-A, the second Vulcan platform to serve @AmazonLeo missions on our heavy-lift rocket.

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ULA@ulalaunch

2026.08.07 12:36

Vulcan Wet Dress Rehearsal (WDR)✔️ Yesterday, ULA conducted a Wet Dress Rehearsal (WDR), at Space Launch Complex-41. This full day-of-launch demonstration loaded propellant into the Vulcan rocket and new LEO-optimized Centaur V upper stage, and tested functions of the new Vulcan Launch Platform (VLP)-A, the second Vulcan platform to serve @AmazonLeo missions on our heavy-lift rocket.