https://en.wikipedia.org/wiki/Lucky_Lady_II#/media/File:%27Lucky_Lady_II%22_being_refuelled_by_B-29M_45-21708_061215-F-1234S-002.jpg
How did the refueling work? How did they connect? I understand how modern refueling probes work, but I've never seen a video or a manual on how this system worked. It looks to be back to back instead of back to front.