[quote=@Forsythe]
<Snipped quote by MrCellophane>

I'm going with them being plucked out from ME3 on the way from Eart to Mars at the start of the game. Hence why no non-earth personnel is present and why Miranda was vrought aboard - Shep will need a trusty XO and Kaidan at this point is so not it.
[/quote]

Isn't that right after Earth has been invaded, with humanity quite possibly going to be wiped out?

Damn Daniel, get better timing.