"The first lesson from the Indian ASAT is just the simple question of why did they do that. And the answer should be, I think to all the committee looking at it, is that they did that because they are concerned about threats to their nation from space," US Strategic Command Commander General John E Hyten told members of the powerful Senate Armed Services Committee on Thursday.
Seoul said North Korea launched the missile apparently to 'provoke' Trump.
The US space agency also warned that the risk of debris colliding with the International Space Station has risen by 44 per cent since Mission Shakti.
'Presidents may come and go, but America will go on forever,' an American business leader tells Ambassador T P Sreenivasan in New York.