HORIZONTAL CONSTRUCTION ENGINEER · Converted to 12N, effective October 1, 2010
DA Pam 611-21 Table 10-4 maps predecessor MOSC 21N3 to 12N; source successor entries: 12N HORIZONTAL CONSTRUCTION ENGINEER; conversion effective 01 Oct 2010.
Sources
- DA Pam 611-21, chapter 10, Table 10-4, Enlisted MOS Conversion Listing (Table 10-4, PDF p. 240)