Last year during 10th SPIE Asia-Pacific Remote Sensing Symposium being organized in New Delhi the then-NASA chief Charles F Bolden and ISRO chief A S Kiran Kumar Rao unveils about NISAR. A joint venture of NASA and ISRO, NISAR is scheduled to be launched by 2021. Other than earthquakes, the satellite is designed to study and measure some of the most complex natural processes of the Earth, like ecosystem disturbances, ice-sheet collapse, biomass estimation etc. It will also give inputs on agricultural production activities. The announcement was made at the 10th SPIE Asia-Pacific Remote Sensing Symposium being organized in New Delhi last year.