(*) In a sweeper-sweep combination it is the horizontal area at the depth of a particular mine in which the mine will detonate. The firing area has exactly the same dimensions as the interception area but will lie astern of it unless the mine detonates immediately when actuated.
FIRING AREA
Meaning of FIRING AREA in English
DOD English dictionary of military terms. Английский словарь военных терминов DOD. 2012