This article is about the full stack only. For the individual prototypes, see Ship 34 (S34) and Booster 15 (B15). For the eighth starship flight test, including updates and analysis see Starship Flight test 8.
Starship 15/34 was the ninth starship full stack comprised of Ship 34 (S34) and Booster 15 (B15). It was flown in Starship Flight Test 8 and did the second flight with a Block 2 Ship.
Ship rolled out and stacked few hours prior to first launch attempt which was aborted due to technical issues. Des-tacking followed after the scrub and was restacked two days later after minor repairs on site.
Starship 34 / Booster 15 info card(by The Proky / [1])
History[]
On March 3, 2025, the vehicles attempted a launch, which was scrubbed due to issues with the Booster. Acording to Elon Musk, there were issues with the engines having 20 bar less pressure than nessesary during the ground startup.[1]
Testing Campaign[]
No full stack testing was conducted, making it the first time SpaceX decided to launch Starship without doing a WDR.
02 March 2025 - Stacking #1[]
S34 was rolled out to the launch site (see here) and then was stacked onto B15. Timeline according to NSF stream:
- 14:13 S34 moved in between chopsticks
- 15:43 Chopsticks attached to S34
- 19:34 S34 lift began
- 20:23 Stacking completed
- 22:12 SQD arm attached to S34
04 March 2025 - Destacking #1[]
Timeline according to LabPadre discord :
- 23:14 The ship transport stand is heading to the pad for destack
- 00:05 The transport stand arrived at the launch site
- 08:13 The Starship QD arm has been disconnected from S34
- 09:44 S34 lift began
05 March 2025 - Stacking attempt - destacking - stacking #2[]
The stacking attempt was aborted after a piece of a HSR clamp has been seen breaking away shortly before the completion of stacking operations.[2] The last stack before launch. Timeline according to NSF stream:
- 10:18 S34 Lift began
- 10:46:40 Detachment of the hot stage ring clamp during stacking[3], abort attempt
- 12:19 S34 started to being lowered to the transport stand
- 12:42 Crews are working on S34
- 13:26 Working completed on S34
- 13:59 Crews are working on booster’s clamp
- 14:10 Working completed on booster
- 14:31 SQD arm retracted in preparation to S34 stacking
- 15:38 S34 lift began
- 16:14 Stacking complete
Gallery[]
