The blogpost Lessons From NASA Disasters: When Curiosity Deficits Kill is about the importance of freedom of curiosity for members of organizations. However it contains many Space Shuttle-related images.
The ones below show the Shuttle SRB's parachuting to Earth and floating end-up in the ocean.
- Why do these spent, open-ended (at one end) and possibly air-leaky hollow tubes still reliably float?
- Why do they appear to float stably in an upright position rather than on their side?
2nd image's url includes "STS-116_rocket_boosters_NASA_KSC-06PD-2794" and the quoted source for these (and many other STS images) https://howlingpixel.com/i-en/Space_Shuttle_Solid_Rocket_Booster
For comparison, from Scott Manley's https://youtu.be/EH1nyPIvLjI (found in the currently-unanswered question Falcon 9 2nd stage pusher; how far does it continue to extend as it accelerates separation?)