Clarify museum roster and Dan Gross research sources
Expand exact roster rank codes (class_rank: Sgt -> Sergeant)
 
Line 5: Line 5:
|first=Ralph
|first=Ralph
|class_section=1A
|class_section=1A
|class_rank=Sgt
|class_rank=Sergeant
|birth_year=1918
|birth_year=1918
|certificate=5053
|certificate=5053