Congressional investigators have found the current state of antimissile technology hardly up to the actual threat.

Maintenance is another serious obstacle to the commercial application of antimissile technology.

Now, senior officials say, they have much greater confidence that their main antimissile technology, known as hit-to-kill, has turned a developmental corner.

In both cases they missed, in part because of antimissile technologies built into the planes.

President Reagan's original vision clearly contains an important truth: antimissile technology has made vast strides over past decades and will continue to do so.

The antimissile technology, they predict, will improve the performance of both existing and future telescopes by more than tenfold.

The aircraft, many of which are equipped with sophisticated antimissile technology, still can be vulnerable to more conventional weapons fired from the ground.

They picked three companies to develop military antimissile technology to protect airliners.

The concept of sharing antimissile technology with the Russians is hardly new.

American and Russian experts plan to meet to discuss antimissile technology in more detail.