How NASA Steers the Int'l Space Station Around Asteroids & Other Debris

Seriously, NASA needs to get a COTS out there for multiple tug/fuel depot. Considering the number of chemical and electric engines, they should be able to get 4 different ones produced. Perhaps allocate 100M or 250M per winner.
However, to make this useful, they need to use LIDs for the interface. With this approach, it allows docking and berthing. Berthing is a strong connection, which is good for moving things around. Docking is ideal for short term connections, such as to a fuel depot, or a satellite.

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Source: http://rss.slashdot.org/~r/Slashdot/slashdotScience/~3/oU-Kl5nPI4M/story01.htm

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