With the heightened terrorism alert, air travelers in Colorado Springs may see a few changes. But over, airport officials say those changes will be minimal.

The main change is that security at the airport will be even more strict. That includes baggage screening for people who are headed to the gates.

Travelers at Denver International Airport will see more police officers, have their cars inspected and hear announcements about the higher security level.

But airport and federal officials don't expect big changes now that the country's terror alert has been raised to "code orange," the second-highest level.

Federal authorities say intelligence indicates a significant threat from terrorists who may be planning to use planes again. But a spokesman for the Transportation Security Administration in Denver says while people should be on guard, they shouldn't change their plans.

TSA spokesman Mike Fierberg said there is "literally an army" of people in place to provide security. Travelers are advised to get to the airport in plenty of time to allow for security checks and the usual waits over the holidays.

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Threat Conditions and Associated Protective Measures

The world has changed since September 11, 2001. We remain a Nation at risk to terrorist attacks and will remain at risk for the foreseeable future. At all Threat Conditions, we must remain vigilant, prepared, and ready to deter terrorist attacks. The following Threat Conditions each represent an increasing risk of terrorist attacks. Beneath each Threat Condition are some suggested Protective Measures, recognizing that the heads of Federal departments and agencies are responsible for developing and implementing appropriate agency-specific Protective Measures:

Low Condition (Green)
This condition is declared when there is a low risk of terrorist attacks. Federal departments and agencies should consider the following general measures in addition to the agency-specific Protective Measures they develop and implement: