A total of 30 nations have deployed operational ballistic missiles.

The first operational missiles were in-place and ready in early 1962.

This designation was dropped before the first operational missiles were completed.

The first operational missiles were issued in early 1968.

In October 2010 it was reported that 150-170 operational missiles would be built (124 active + reserve for training and tests).

There were actually eight silos, but only six held operational missiles.

What would we have done next, in the face of operational missiles in Cuba?

"More than 12 countries have operational ballistic missiles, and others have programs to develop them."

The project had already cost around $20 billion up to 1998 and produced 114 missiles, at $400 million for each operational missile.

The V-1 flying bomb was the first operational surface-to-surface missile.