He needed time to regroup, call in backup, drink a fifth of Glenlivet.
During the firefight, Crockett begins to call in backup.
However, when they call in backup, there is no evidence of any Cobra involvement.
The usual combination is an experienced controller in prime, with a new one in backup.
Thus, in all, the Mexicans had $12 billion in backup to withstand any post-election difficulties.
He needed to vacate the area in case the escapee called in backup.
But now he joins the Giants, who find themselves with a young secondary and possibly thin in backup help.
Her face said she was ready to call in backup.
The officers found Ryan unconscious and called in backup and ambulances.
And while they were all brothers in arms, each squad preferred to work alone and only called in backup when it was absolutely necessary.