An antiaircraft missile, ready for use, sits atop a federal office building near the White House. Devices that test the air for chemical and biological substances are positioned throughout the city. Subway stations are now equipped with "bomb containment" trash bins. A major highway that runs by the Pentagon is being rerouted several hundred yards away. A security wall is going up around the Washington Monument.
Day by day, the nation's capital is becoming a fortress, turning a city known for graceful beauty into a virtual armed camp. In response to the Sept. 11, 2001, terrorist attacks, federal security agents along with their counterparts in the Washington, Maryland and Virginia governments began a huge effort to build permanent safeguards for the capital area's most important buildings and monuments.
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