M1 ABRAMS TANK SYSTEM MAINTAINER · Converted to 91A, effective October 1, 2009
DA Pam 611-21 Table 10-4 maps predecessor MOSC 63A1 to 91A; source successor entries: 91A M1 ABRAMS TANK SYSTEM MAINTAINER; conversion effective 01 Oct 2009.
Sources
- DA Pam 611-21, chapter 10, Table 10-4, Enlisted MOS Conversion Listing (Table 10-4, PDF p. 271)