I urge everyone to go to the pdf document, the link to which is provieded at the end of the article and read it:
http://www.ostp.gov/html/US%20National%20Space%20Policy.pdf
This has major implications.
"The US considers space systems to have rights of passage through and operations in space without interference. Consistent with this principle, the US will view purposseful interference with its space systems an infringement on its right".
Now remember, just recently those articles talking about Chinese lasers deliberately interfering with US satellites?
China Lasers Target U.S. Satellites
http://www.nysun.com/article/40634