In the security center, they get a code orange on Gate 4.

The code orange only made him more aware of those concerns and of broader security issues.

But officials said that neither of these incidents was a direct factor in the decision to go to Code Orange.

In part, the reaction was due to the unusualness of the warning: never before had there been a so-called code orange.

Washington kept the nation on a heightened terror alert, with the threat level remaining at Code Orange.

In North Carolina, officials had raised security to the equivalent of code orange even before the notice from federal officials.

The events were held under the cloud of a heightened nationwide terror alert - a code orange - declared by the federal authorities.

An urgent voice over the loudspeaker announced, "Code Orange!

Alan arrives at the malfunctioning gate and discovers that it really is a code orange (open gate).