"We have a country that seems to be more interested in missiles than providing electricity or food for its people," he said.

Its effectiveness in engaging missiles and aircraft was thought to be limited.

It is also a common ingredient in most bomb shells and missiles.

He declined to comment on whether the pumps were designed for use in missiles.

The seven countries have also prepared a list of technologies that will be closely examined for their potential use in missiles.

The treaty calls for a 30 percent cut in long-range missiles.

This has resulted in several missiles being removed from public display.

This makes them suitable for their only widespread use, in guided missiles.

"Then I was interested in missiles and gyroscopes," he said.

They are also starting to be used in missiles, for guidance to targets.