1 After 2010, the DoD ID number, instead of the SSN, will be printed on DoD-issued military and military-dependent ID cards. 2  The DoD ID may be retrieved while logged on to a computer if the user has a CAC, CAC reader, and CAC middleware installed on the machine.  Insert the CAC into the reader on the computer.
chagrin (countable and uncountable, plural chagrins) 1  Distress of mind caused by a failure of aims or plans, want of appreciation, mistakes etc; vexation or mortification. 2  A type of leather or skin with a rough surface.
to vex or irritate greatly: His arrogant manner galls me. verb (used without object) 3. to be or become chafed. 4. Machinery. (of either of two engaging metal parts) to lose metal to the other because of heat or molecular attraction resulting from friction. 5. Metallurgy. (of a die or compact in powder metallurgy) to lose surface material through adhesion to the die.