Comments by "C S ~ \x5bDuke of Ramble\x5d" (@DUKE_of_RAMBLE) on "" video.
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@lyfandeth The landings being offshore has NOTHING to do with the landings being "too dangerous", but everything to do with how much fuel they have left! To keep enough fuel to return to launch site would require them to loft lighter payloads, which would take away customers and therefore foolish.
With that being said... The Falcon Heavy side boosters BOTH return to launch site, because they have the fuel to do so. And that's why we get the awesome footage of two boosters landing side by side, within seconds of each other!
(caveat: unless a mission requires every, last ounce of DeltaV, in which case they get expended; the core booster is typically [always?] expended for this reason)
edit: As a further followup, Blue Origin's landing ship is, just that, a large ship, with a crew. For the first few landings in sure they might have all hands be offloaded, or maybe just a skeleton crew for 'station keeping' (to borrow satellite terminology). Although I think BO has ditched that ship plan... At least I seem to recall some mention of that.
However, SpaceX is all about autonomous machines though, which is presumably why they have never made the switch from the unmanned barges, given they do so have manned support vessels nearby during landings.
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