Developed by the Defense Advanced Research Project Agency, the Space Surveillance Telescope was formally transferred to the Air Force during a ceremony at White Sands Missile Base in New Mexico Tuesday.

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The telescope is designed to monitor objects as small as softballs, in Geosynchonous orbit (GEO)—some of the most important real estate in space. At about 22,000 miles away, its orbit mirrors that of the Earth, so that satellites parked there remain in a fixed point over the globe. That allows satellite television or communications providers to serve particular areas—say, North America or Asia—uninterrupted.

But not only is the orbit far away—it’s incredibly vast. “A volume of tens of thousands of oceans,” said Lindsay Millard, DARPA’s program manager in a podcast posted on the agency’s website. But the telescope's ability to see “something very far away over a very wide area is really what it’s best at.”

DARPA says the advanced technology in the massive, 90-ton telescope would allow officials to go from “seeing only a few large objects at a time through the equivalent of a drinking straw to a windshield view with 10,000 objects at a time.” It is also being used by NASA to monitor asteroids and other near-Earth objects that could collide with the planet, officials said.

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Over the next two years, the telescope is going to be moved and reconstructed in Australia, a vantage point that would allow it to survey an under served area of space.

The telescope is “a big improvement over the legacy ground-based optical telescopes that are used by the U.S. Air Force, because it can search large areas of sky and also track very faint (small) objects in and around GEO,” Brian Weeden, a Technical Advisor at the Secure World Foundation, wrote in an email. “That's a critical capability for the U.S. military, as they have a lot of very important satellites in GEO, and are increasingly worried about threats to those satellites.”

The telescope would join another new space debris tracking technology known as the Space Fence, which is now being built by Bethesda-based Lockheed Martin. The radar system is going to be located on Kwajalein Atoll in the Marshall Islands and would use radar to help the Air Force track 10 times amount of debris than it currently monitors.

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With many valuable assets in space—satellites used for intelligence, communications and guiding weapons—the Pentagon has become increasingly concerned with what it calls “space situational awareness.” Instead of being a benign environment, the Pentagon likes to say that space has become “contested, congested and competitive.” In orbit, debris moves very fast, as much as 17,500 m.p.h., so that even a fleck of paint could cause damage.

In 2007, the Chinese fired a missile that blew up a dead satellite and littered space with thousands of pieces of debris. And the Air Force has been working to make its satellites more resilient. It has plans to send swarms of small satellites into orbit that are more difficult to target.