I was waiting for this announcement. It is unclear to me how "real" this is; Bezo's claims they can meet the timeline of people on the moon in 2024. Since they aren't flying a heavy booster like the Delta IV heavy or the Falcon Heavy yet, and those platforms took about 10 years to go from concept to first flight. Bezos is suggesting he can do that in 5 years. Perhaps he's considering using the Delta for FHeavy as the…
In the past they've talked about launching Blue Moon on SLS. Not that I expect that to launch real payloads by 2024...