DARPA Seeks Ideas for Orbital Debris Removal

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The U.S. Defense Advanced Research Projects Agency (DARPA) is seeking ideas for clearing away space debris orbiting the Earth and endangering spacecraft.

According to a Sept. 17 posting on the Federal Business Opportunities Web site, DARPA is looking for cost-effective concepts for removing significant amounts of debris ranging in size from as small as a millimeter to as large as a spacecraft or expended rocket body. Responses are due Oct. 30.