Re your Dad's discharge certificate. I've "deciphered" the sections that would be most confusing. All others - name, service number, etc. are pretty well self-explanatory.
1. Name 2. Service Number 3. Grade: Private 4. Arm: Cavalry 5. Component: Army of the United States 6. Organization 7. Date of Separation (discharge): 10 January 1946 8. Place of Separation: Fort McPherson 9. Residence (following discharge) 10. Date of birth 11. Place of birth 12. Same as number 9 above 13. Color of eyes 14. Color of hair 15. Height 16. Weight 17. Number of dependents: None 18. Race 19. Marital Status 20. Citizenship 21. Civilian occupation and classification number. 22. Date of Induction: 24 August 1943 (date that he reported for induction, physical examination, etc.) 23. Date of enlistment: Not applicable 24. Date of entry into active service: 14 September 1943 (date that he first reported for duty) 25. Place of entry into service: Fort McPherson 26. Draft status 27. Draft board 28. County & State (of Draft Board's jurisdiction) 29. Same as number 9 above 30. MOS and MOS Classification Code Number 31. Marksmanship: Expert (Service rifle); Marksman (carbine) 32. Battles & Campaigns: Rome-Arno, Southern France, Rhineland, Central Europe (per War Department General Orders Number 105 of 1945 - official basis for campaign credits) 33. Decorations, Citations & Medals (in the proper order of precedence): Good Conduct Medal, American Theater Medal, European-African-Middle Eastern Theater Medal with bronze arrowhead device (Invasion of Southern France) and four bronze service stars (one for each campaign credit indicated above) and World War II Victory Medal. 34. Wounds: none 35. Immunization record (smallpox, typhoid, etc.) 36. Service outside Continental U. S.: departed United States 2 March 1944; arrived in Italy 30 March 1944. Departed Europe (France or Germany) 22 December 1945 and arrived in the U. S. 3 January 1946. 37. Total service: 2 years, 3 months & 27 days (total overseas service 1 year, 10 months & 2 days) 38. Highest grade: Technician Fourth Grade (specialist rating entitled to same pay as sergeant - he was apparently reduced in grade) 39. Prior service: none 40. Authority for discharge: Army Regulation 615-365 of 15 December 1944 (Convenience of the Government due to demobilization)