But supporters said the cost of a limited system - budgeted at $10.5 billion over the next six years - would be well worth it.

Despite spending $4.8 billion this year, the Pentagon has had tests of a limited system fail.

By all accounts, the Bush administration's approach is fundamentally different from that of the Clinton administration, which designed a more limited system.

But developing and testing limited antimissile systems is an American goal.

No one can be confident that even this limited system can work, or know what it will cost.

Within some of the destroyed suburbs, a limited postal system between various Robinson groups was established.

The treaty can probably be preserved if the two leaders agree on language permitting limited defensive systems.

The Clinton administration favors a strictly limited system usable only against smaller states.

The treaty bars a defense system covering the entire country and allows only one site for more limited defensive systems.

So far, only American spacecraft have used the limited system available with one satellite.