LONDON/NEW, DELHI/ATLANTA – India tested an anti-satellite weapon on Wednesday, saying the indigenously produced interceptor was used to destroy an object in orbit.
Such a weapon allows for attacks on enemy satellites — blinding them or disrupting communications — as well as providing a technology base for intercepting ballistic missiles.
India, whose space program has developed launchers, satellites and probes to the moon and Mars, created the interceptor used in Wednesday’s test domestically, Prime Minister Narendra Modi said in a broadcast on television.
Previous tests
The United States performed the first anti-satellite tests in 1959, when satellites themselves were rare and new.
Bold Orion, designed as a nuclear-tipped ballistic missile re-purposed to attack satellites, was launched from a bomber and passed close enough to the Explorer 6 satellite for it to have been destroyed if the missile had been armed.
The Soviet Union performed similar tests around the same time. In the 1960s and early 1970s, it tested a weapon that could be launched in orbit, approach enemy satellites and destroy them with an explosive charge, according to the Union of Concerned Scientists, a nonprofit research and advocacy organization.
In 1985, the United States tested the ASM-135, launched from an F-15 fighter jet, destroying an American satellite called Solwind P78-1.
There were no tests for more than 20 years.
Then, in 2007, China entered the anti-satellite arena by destroying an old weather satellite in a high, polar orbit. The test created the largest orbital debris cloud in history, with more than 3,000 objects, according to the Secure World Foundation, a group that advocates sustainable and peaceful uses of outer space.
The next year, the United States carried out Operation Burnt Frost, using a ship-launched SM-3 missile to destroy a defunct spy satellite.
Debris
Debris from anti-satellite tests can create problems for other satellites and spacecraft in orbit, as tiny bits of junk whiz through space many times faster than a rifle bullet.
The International Space Station, for example, regularly tweaks its orbit to avoid debris of all kinds.
China’s 2007 test is considered the most destructive. Because the impact took place at an altitude of more than 800 km (500 miles), many of the resulting scraps stayed in orbit.
The U.S. test in 2008 did not create as much orbital debris, and because it was at a lower altitude, atmospheric drag caused much of it to fall toward Earth and burn up.
India’s Foreign Ministry said in a statement that its test was done in the lower atmosphere to ensure there was no debris in space and that whatever was left would “decay and fall back onto the Earth within weeks.”
The U.S. Strategic Command, which tracks objects in orbit for the U.S. military, had no immediate comment about Wednesday’s test.
Military use
Destroying an enemy’s satellites, which can provide crucial intelligence and communications in war, is considered an advanced capability.
With Wednesday’s successful test, India theoretically puts other countries’ satellites at risk.
Neighboring Pakistan, with which India traded airstrikes last month, has several satellites in orbit, launched using Chinese and Russian rockets.
But China, which put dozens of satellites in orbit in 2018 alone, according to state media, could see India’s fledgling capability as more of a threat.
India needs to build anti-satellite weapons “because adversary China has already done it in 2007,” said Ajay Lele, senior fellow at the Institute for Defence Studies and Analyses.
“More than anything I would say through this India is sending a message to the subcontinent,” he added. “India is saying that we have mechanisms for space warfare.”
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