The cooperation of NASA with ISRO remains intact, chief of the US space agency James Bridenstine has said, days after he criticised India and termed its anti-satellite weapon test a "terrible thing" for creating about 400 pieces of orbital debris.
In a letter to ISRO Chairman K Sivan, NASA Administrator Bridenstine said "based on the guidance received from the White House", he looks forward continuing to work with ISRO on a host of issues including human space flights.
"As part of our partnership with you, we will continue to work on issues using the NASA-ISRO Human Space Flight Working Group, Planetary Science Working Group, US India Earth Science Working Group, and the Heliophysics Working Group," Bridenstine said.
In his letter, Bridenstine says he recently wrote to ISRO about the suspension of cooperation on human space flight.
"Recently, we sent you a letter indicating a suspension of activities under the NASA-ISRO Human Space Flight Working Group," he wrote.
From the April 4 letter, it appears that after the White House weighing in, the cooperation remains intact.
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The letter comes days after the NASA chief in a town hall meeting criticised India's anti-satellite missile (ASAT) test because of the debris it generated in the space and its potential threat to the International Space Station.
"The anti-satellite weapons test by India last week has resulted in about 400 pieces of orbital debris," he said on April 1, adding "that is a terrible, terrible thing to create an event that sends debris and an apogee that goes above the International Space Station".
"As we made clear, space debris is a serious issue for the United States. As it is a growing threat, it is the responsibility of all nations who operate in space," Bridenstine said in his letter, a copy of which has been seen by PTI.
"We will continue to monitor the remaining debris from your test as it relates to the safety of our human spaceflight activities especially at the International Space Station," wrote the NASA Administration, according to the letter.
Prime Minister Narendra Modi announced on March 27 that India had achieved a "historic feat" by shooting down its own low-orbit satellite with a ground-to-space missile, making the country a "space power".
Only three other countries - the US, Russia and China - have anti-satellite missile (ASAT) capabilities.