Earth-Boring Machine Operator · Split into 359, 641, effective 1945
Predecessor title from the AR 615-26 column: Earth-Boring Machine Operator. Suggested conversions/remarks: 359, 641. 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. 240 / PDF image p. 246, SSN 353)