I haven’t found any such breakdown, even after looking around for a while. The 80,000 Hours interview with Aubrey, as well as a number of Youtube interviews featuring Aubrey (I don’t remember which ones, sorry) note that Aubrey thinks SENS could make good use of $1 billion over the next ten years, but none of these sources justify why this much money is needed.
I haven’t found any such breakdown, even after looking around for a while. The 80,000 Hours interview with Aubrey, as well as a number of Youtube interviews featuring Aubrey (I don’t remember which ones, sorry) note that Aubrey thinks SENS could make good use of $1 billion over the next ten years, but none of these sources justify why this much money is needed.