NASA's TRACERS mission blasted off July 23 on a Falcon 9 rocket with three other small agency satellites that will act as technology demonstrators to monitor space weather.

SpaceX launches NASA's TRACERS mission to protect Earth from space weather (video)

Source: space
Source Link: https://www.space.com/science/nasa-launching-tracers-mission-to-protect-earth-from-space-weather-today-how-to-watch-live