On a ship that has embarked units, a designated officer (usually the senior embarking unit commander) who is responsible for the administration, discipline, and training of all embarked units. Also called COT. (JP 3-02.2)
COMMANDING OFFICER OF TROOPS
Meaning of COMMANDING OFFICER OF TROOPS in English
DOD English dictionary of military terms. Английский словарь военных терминов DOD. 2012