Many of these analogs can be very useful design references for space systems.

But officials insist that today's space system is a crucial element of building tomorrow's.

Under no interpretation of the treaty would it be possible to actually station in space defensive systems like those being studied.

Verification is one main reason that costs for space systems are high.

Some of Israel's satellites are ranked among the world's most advanced space systems.

Later he was promoted to chief engineer for space systems.

The center manages research, development and acquisition of military space systems.

During its history, it has built 27 different space systems and over a thousand individual satellites.

Westminster has an extensive trail network and open space system.

The American military's current space systems are usually large, reliable and powerful.