Of these, no more than 4,900 can be warheads on ballistic missiles.

Another possible problem may be the Soviet position on short-range missiles.

Iran is also working on even longer-range missiles, but they are in a much earlier stage of development, officials said.

Some of the biological arms are already loaded on mobile missiles.

The two sides have also had differences over what limits should be set on land-based missiles.

Statistics on Soviet missiles were a lot simpler and more scientific.

"We want to be able to go anywhere and see anything that interests us on missiles," he explained.

A working group later met for two hours in an attempt to narrow differences on medium-range missiles.

An alternative plan would set an overall limit on mobile missiles of whatever type.

He knew the Race was desperately low on antimissile missiles.