PERSHING ELCT MAT SP · Discontinued, effective April 1, 1992
DA Pam 611-21 Table 10-4 states that predecessor MOSC 21G4 was phased out or not converted to another MOS; conversion/effective date 01 Apr 1992.
Sources
- DA Pam 611-21, chapter 10, Table 10-4, Enlisted MOS Conversion Listing (Table 10-4, PDF p. 239)