Auto Data Telecomm OP · Converted to 74C, effective October 1, 1990
DA Pam 611-21 Table 10-4 maps predecessor MOSC 72G4 to 74C; source successor entries: 74C TELECOMMUNICATIONS OPERATOR-MAINTAINER; conversion effective 01 Oct 1990.
Sources
- DA Pam 611-21, chapter 10, Table 10-4, Enlisted MOS Conversion Listing (Table 10-4, PDF p. 280)