If the enemy had mobile launchers, it was essential to learn about them.

Cloud cover made it impossible to determine whether mobile launchers had been destroyed.

The missile was fired from a mobile launcher on the Plesetsk range.

The Soviets have put a lot of work into their new mobile launchers.

Are you under the impression now that they may be running out of those mobile launchers?

The answer is, it's not so easy to find these mobile launchers.

Of course, the problem is the mobile launchers and the difficulty in targeting them.

At least eight Iraqi mobile launchers were wiped out, although the allies admit it's hard to track them all.

Israeli and other intelligence experts believe that Iraq may have had as many as 40 mobile launchers when war began.

It was sent off from a mobile launcher, hard to spot, harder to destroy.