He added that the new missiles under development "are not yet ready."

Officials said the new missile did not appear to be ready for deployment.

But these new missiles would have to be developed and built, at great expense.

"It will be a new missile," an Army official said.

Administration officials did not say how many new missiles are to be deployed.

Such were the changes that it was effectively a new missile.

The Army's new missile would also be able to strike deep behind enemy lines.

The new missile could turn at up to 3g.

Washington would need such an inventory to determine whether new missiles are being added.

All the other ships in the class will received the new missile upon their major overhaul.