основний, запасний, резервний, аварійний
emergency service / emergency operations service
FAST PACE
keep pace
pace
pace count; pacing
pace of offensive
pace setter (soldier / vehicle)
keep pace with the armor
set the pace
pace counter
pace off
pace setter
pace survey
pace tally
pace-counter
civil contingency
contingency contracting
contingency operation
contingency operations support
contingency plan (COP)
contingency response program
contingency support
operational contingency support
overseas contingency operations (OCO)
small scale contingency (SSC)
contingency maintenance / special maintenance
contingency power
special maintenance / contingency maintenance
GOTWA five point contingency plan (Going, Others, Time, What, Actions)
contingency or war plan
contingency barrage
contingency call