ISRO and NASA joined hands in 2014 to build the 2,800 kg satellite. In March 2021, ISRO sent its S-Band SAR payload developed in India to NASA for integration with the L-Band payload built by JPL.
The Earth Radiation Budget Satellite, known as ERBS, was launched in 1984 aboard space shuttle Challenger. Although its expected working lifetime was two years, the satellite kept making ozone and other atmospheric measurements until its retirement in 2005.
North Korea has conducted an unprecedented number of missile tests this year, including an intercontinental ballistic missile (ICBM) designed to reach the U.S. mainland, in defiance of international sanctions.