Ebsteins Flight Logs..he is on there take a closer look at them.
Both of them!
Here are the flight manifests from this Q post for those who need it
https://assets.documentcloud.org/documents/1507315/epstein-flight-manifests.pdf
Don't know if you have seen this but it fits perfectly with your post.
https://www.goodreads.com/book/show/709386.The_Great_Pretenders