Here is some information regarding his hospitalization during the war, it states that he was either Cost Artillery or Anti-Aircraft Artillery Non-Airborne. I would suggest requesting his military records when the pandemic is over or NPRC in St. Louis resumes operations.
Full Name: Dufilho, Lionel L
Race: White (includes Mexican)
Admission Date: Jun 1945
Admission Type of Injury: Injury Type: Disease; InjuryType2: Not a traumatism
Military Service Number:38172218
Rank: Enlisted Man (includes Aviation Cadet or Student)Unit:-Branch: Coast Artillery, Anti-Aircraft Units (except Airborne)
Length of Service:3-5 yr.
Medical Diagnosis: Diagnosis: Scoliosis
Discharge Type: Disposition: Discharged or Retired for Disability, Line of Duty, No;
Final Result: Discharge/retirement: med reasons--but not for any residual condition w/ a code
Discharge Date: Oct 1945
Discharge Place: Convalescent Hospital, ZI
Notes: Invalided Home (except repatriated) during current year
Dear Mr. Dufilho,
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Due to the COVID-19 pandemic, the NPRC is closed except for emergencies. Currently, NPRC will continue servicing requests ONLY associated with medical treatments, burials, and homeless veterans seeking admittance to a homeless shelter. Because your request is not for emergency purposes, NPRC can not process it until public health conditions permit them to bring enough staff onsite to address non-emergency requests. When this happens it will take some time for them to work through the backlog. We can not provide any estimates at this time as to when your request will be fulfilled. Please check archives.gov/veterans for updates to the NPRC operating hours and status.
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