It rated the Police Department's counterterrorism program and Operation Atlas as below average in sustainability, a criticism of the continuing overtime costs.

If New York City needs Operation Atlas, the federal government must pay for the program.

Operation Atlas incorporates elements of Archangel that outlined methods for responding to terrorist acts, including biological and chemical assaults.

Operation Atlas would also make use of units, called Hammer teams, that deal with incidents involving hazardous materials.

Once Operation Atlas begins, there will be new precautions to protect city-run ferries and the terminals where passengers board such vessels.

In recent weeks, drills in preparation for Operation Atlas have sent waves of police personnel into subway stations.

The money for Operation Atlas could come out of $450 million in the proposed federal budget that is earmarked for protecting "critical infrastructure facilities."

City officials have again devised a security plan, Operation Atlas, to protect citizens against terrorists.

Operation Atlas has been implemented.

Mr. Bloomberg described the department's war contingency plan, Operation Atlas, as the most comprehensive terrorism prevention effort the city has ever conducted.