Developments in the War on Terrorism

Authorities Warned of Hijack Risks

- The FBI had prior knowledge that Middle Eastern pilots were training at U.S. flight schools and at least one had proposed dive-bombing a jetliner into a

federal building, according to documents and

interviews with Filipino and U.S. authorities.

Pentagon Describes Military Deaths

- The seven Americans who died in the bloodiest operation of the war in Afghanistan

were killed as troops were being taken into the battle area on two different missions,

the Pentagon said Tuesday.

Jet Fighter Patrols More Common

- Since Sept. 11, concerns about more terrorism in North America's skies have drawn

U.S. and Canadian fighters 292 times, military officials say. Fighters also respond when planes stop communicating with ground controllers or present inadequate identification.