(DoD) An authorized and scheduled regular inactive duty training period. A training period must be at least two hours for retirement point credit and four hours for pay. Previously used interchangeably with other common terms such as drills, drill period, assemblies, periods of instruction, etc.
Department of Defense Dictionary of Military and Associated Terms. 31 January 2011.
| APA | Military Dictionary (DoD). (2011). training period. Retrieved September 20, 2026, from http://smartdefine.org/training_period/definitions/1964491 |
| Chicago | Military Dictionary (DoD). 2011. "training period" http://smartdefine.org/training_period/definitions/1964491 (accessed September 20, 2026). |
| Harvard | Military Dictionary (DoD) 2011, training period, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/training_period/definitions/1964491>. |
| MLA | Military Dictionary (DoD). "training period" 4 April 2011. Web. 20 September 2026. <http://smartdefine.org/training_period/definitions/1964491> |