Optical Instrument Specialist (DO) · Converted to 686, effective 1945
Predecessor title from the AR 615-26 column: Optical Instrument Specialist (DO). Suggested conversions/remarks: 686. The table gives no row-level effective date; effectiveTo records the June 1945 manual year.
Sources
- Manual of Military Occupational Specialties, NAVMC 1008-PD, June 1945, Appendix B (Appendix B, printed p. 252 / PDF image p. 258, SSN 962)