Below is a clipping of a 1942 military document detailing promotions of personnel. The column listing "service numbers" seems to specify them in an abbreviated fashion. Given that assumption and specifically for the first individual (Nicholas B. Van Bergen):
- Can his full service number be ascertained from the number listed?
- Once obtained, can his full service number be corroborated via another source online?
(full image here)
Update (for grins) : Canadian Girl Scout found a picture of the WWI USS Marblehead. While a great picture, it is not of the Marblehead mentioned above - apparently there were more than one. From the image she did post I was able to scan their archives to find the WWII light cruiser:
(full image here)