By comparison, a small, affordable land-based system, built just for insurance, seems workable.

No land-based system can always stay in touch with the trucks.

It does allow fixed, land-based antimissile systems, provided they are constructed in specific places.

What do your people think about our proposal to limit land-based systems?

Type 12, another land-based early-warning system, followed during 1942.

"They've clearly have already made the judgment to invest a significant amount in their own single-warhead land-based system," he said.

Most people think we ought to have one mobile land-based system.

There's a few that do not believe that we need a mobile land-based system, I may be in the minority.

The current plan is vastly revised, with a focus on developing a land-based system to protect the country against a limited or accidental strike.

While this was not an issue with marine engines, it formed a significant limitation for many land-based systems.