Answer: hhour

AnswerCrossword Clue
HHOURMilitary launch time
HHOURTime of attack
HHOURMil. time (3rd)
HHOURTime of war's beginning
HHOURD-day time specification
HHOURTime when a military operation is set to begin
HHOURAttack time
HHOURPart of D-day
HHOURD-day time
HHOURPart of D-day.
HHOURAttack deadline
HHOURCritical time
HHOURAlliterative time set for the beginning of a planned attack
HHOURCrucial moment, militarily
HHOURTime set for launching an operation
HHOURTime to strike
HHOURTime to attack
HHOURDecisive time
HHOURD-Day time