Global Positioning System Reference
In-Depth Information
versions of the system flew through 1983. The United States countered with
Project saint (short for satellite interceptor), designed to inspect enemy sat-
States conducted one test in 2005 of a satellite called the Demonstration for
Autonomous Rendezvous Technology (dart), which featured similar capa-
cations satellite, into a different orbit without destruction or creation of debris.
59
The Defense Department's
Annual Report to Congress: Military and Security
Developments Involving the People's Republic of China
in May 2012 expressed
unease about its microsatellite program. The report listed direct-ascent mis-
siles, jamming, lasers, microwaves, and cyber weapons among China's counter-
space capabilities and added, “Over the past two years, China has also
conducted increasingly complex close proximity operations between satellites
while offering little in the way of transparency or explanation.”
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U.S. Navy commander John J. Klein, in
Space Warfare: Strategy, Principles
and Policy
, hypothesizes that lesser space powers might contest command of
space by locating microsatellites near gps or gnss satellites or even by attach-
ing parasitic microsatellites to them, making defensive targeting difficult or
ing such a strategy need not arm the microsatellites with explosives; it might
simply move them close enough to jam or block the transmitted signals or
ellites might gain their sponsor political influence without their ever being
used. The strategy of using mere presence to influence policies of a dominant
power is not new, Klein points out. The European Union achieved greater say
in the allocation of radio spectrum by proposing to overlay gps signals with
egy by appropriating a frequency Galileo planned to use.
Lesser space powers are growing in number and capability and staking out
their own presence in space. India successfully tested its Agni-V missile in April
2012, sending it to an altitude of about 373 miles. The head of India's Defence
Research and Development Organization said the missile “ushered in fantas-
tic opportunities in, say, building asat weapons and launching mini/micro
space but had to “re-think” asat capability after China's 2007 demonstra-
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