Will a national missile defense system work?
There is something the Defense Department may not want the public to know about its National Missile Defense system, contend a contingent of Democratic lawmakers, who say the program has severe technological deficiencies.
![]() | During his recent trip to Europe, President Bush made it clear to U.S. allies that he intends to push ahead on his plans for a system that can intercept missiles. |
Wait a second
![]() | Sen. Joseph R. Biden Jr. contends that the debate over missile defense is taking attention away from a more probable risk to Americans: terrorist attacks. |
' Airborne Laser is a developmental program to install a chemical laser in a 747 that would be capable of shooting down ballistic missiles during their boost phase. Fiscal 2001 appropriation: $234 million plus $153 million in the recent supplemental request. ' Medium Extended Air Defense System is a highly mobile weapon being developed with help from Germany and Italy to provide limited-area protection. The three countries are sharing the development costs; the United States is contributing 60 percent, Germany 25 percent and Italy 15 percent. Fiscal 2001 appropriation: $53 million. ' National Missile Defense is designed to defend all 50 states against a small attack. The system includes ground-based interceptors, early-warning and tracking radars, space-based cueing and tracking sensors and a battle management system. Fiscal 2001 appropriation: $2 billion. ' Navy Area Theater Ballistic Missile Defense homes in on targets with an infrared seeker and intercepts them with a missile at altitudes below 25 kilometers. The system uses radar systems on Aegis cruisers and destroyers. Fiscal 2001 appropriation: $274 million. ' Navy Theater-Wide Ballistic Missile Defense intercepts missiles at altitudes above 100 kilometers using infrared homing and Aegis sea-based radar to guide the inter- ' Patriot Advanced Capability 3 is designed to intercept missiles at altitudes below 25 kilometers, acquiring its targets using a radio-frequency seeker. Fiscal 2001 appropriation: $446 million. ' Theater High-Altitude Area Defense targets missiles at altitudes above 40 kilometers. THAAD is a ground-based system using infrared terminal guidance for interceptor missiles. Fiscal 2001 appropriation: $550 million. ' Space-based Laser is a program to develop a low-Earth-orbit laser that would attack a missile in the boost phase. Fiscal 2001 appropriation: $147 million. |
A necessary step
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