COAST ARTILLERY, JOURNAL - Air Defense Artillery

548 THE COAST ARTILLERY JOURNAL
The telephone will not be used before the day of the attack by units
of the sector below the regiment. All telephone conversations by superior
units will be strictly controlled, and must not in any way disclose the plans
and intentions of the Command.
Trial and adjustment fire will be limited, and even omitted whenever
possible.
b. The artillery preparation for the attack should be reduced to a
minimum, and the hour of the attack must be calculated so that the gaps
that may be produced in the last organized line may be before noon of J
day. The delay prior to the approach must be as brief as possible.
c. Advantage must be taken of any gaps made, and the advance will
take place during the night of J to J plus 1 day, so that the operations
against the desired objectivesmay be carried out on the morning of J plus 1