1)

Elon Musk ✔ @elonmusk
Replying to @TJ_Cooney

Wow, 2011 seems like eons ago! With fairing recovery, Falcon is ~80% reusable, but reflight takes several days & requires boats. Starship will be fully reusable with booster reflight possible every few hours & ship reflight every 8 hours. No boats needed.
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That said, most Starship spaceports will probably need to be ~20 miles / 30km offshore for acceptable noise levels, especially for frequent daily flights, as would occur for point to point flights on Earth

https://twitter.com/elonmusk/status/1191496935250616321

2) cargo module fin installation (time lapse)