Re: World War II Enlistment -- strange civil occupation #usa
Theodore Hull of the US National Archives explained the difficult process how punched cards became the data base at https://www.archives.gov/publications/prologue/2006/spring/aad-ww2.html.
There could also have been an error on input as it seems numeric codes were used. If the table of occupation codes were available (anyone?) then it might be possible to deduce plausible errors.
SHADUR, SADUR, SHADER, SADER, CHADOUR, SADOUR, SHADOUR, SZADUR from Salakas, Lithuania
MINDEL, MINDELL from Utena and Vyzuonos, Lithuania
FELLER from Pabrade, Lithuania