(*) An operation in which, by direction of higher authority, all or part of a unit is replaced in an area by the incoming unit. The responsibilities of the replaced elements for the mission and the assigned zone of operations are transferred to the incoming unit. The incoming unit continues the operation as ordered.
RELIEF IN PLACE
Meaning of RELIEF IN PLACE in English
DOD English dictionary of military terms. Английский словарь военных терминов DOD. 2012