I hope you don't mind if I ask a few questions regarding your posting....
I note that Larson and Wade are buried at Margraten with citations to the unit and date you mention.
I also note that they are carried on the 821st Memorial Roster.
However, for some reason I don't see Elmer on that list.Have you resolved this with the organization?
I found Elmers information at Ft. Rosencrans also citing the unit and the date.
The overseas burials of 821st personnel are cited both on the Memorial page and at ABMC.Of those listed on the memorial page only 11 are shown as returned to USA.(And as I mentioned, Elmer is not in that list)
BTW--did you know that one of Wade's relatives posted on the 821st message board?Have you networked with this person?
Also another poster on that board indicates that they have a photo with Elmer and their relative.
Researchers questions and observations:
What is your source that leads you to believe that Elmer was a member of this particular crew?
The name on the Memorial lists given as Hugens, Melvin L. does not show up in NARA casualty records. Could there be a misspelling here?Perhaps Huggins, Melvin E?
The name on the list LEWELL A. MOLEN shoud read LOWELL.His DoD is 9NOV44 so that reduces your field of name possibilities to ten (10).
Alden K. Grimm is buried at GOLDEN GATE Nat Cem with no qualifying dates.
If I were you I would requalify the material carried on the 821st site.Determine if possible the ASNs of the casualties and also requalify the DoD on each man.
Finally--are you absolutely certain that the the other two men on the 5-man crew were actually killed in that action?If they were then the probability is that their names are listed.If not then that opens a whole different avenue of research.