Traditionally this data is relayed via radio or wire communications as a warning order to the guns, followed by orders specifying the type of ammunition and fuse setting, direction, and the elevation needed to reach the target, and the method of adjustment or orders for fire for effect ( FFE ).
22.
When the spotting round is either on the target or the necessary adjustment is small enough to be within allowable limits, the FO calls for a fire mission, often with the phrase, " Fire for effect . " If the first fire mission does not reduce the position or change the tactical situation sufficiently, other fire missions may be called for.
