The TRACERS spacecraft, Tandem Reconnection and Cusp Electrodynamics Reconnaissance Satellites, will study magnetic reconnection around Earth to understand how the Sun interacts with our planet’s protective magnetic shield – the magnetosphere ...

Watch Falcon 9 launch the @NASA TRACERS mission to orbit from California https://t.co/uE6BApfcvy ...

Less than 30 minutes until today’s launch of the TRACERS mission from California. All systems are looking good, and weather is favorable for liftoff at 11:13 a.m. PT ...

Falcon 9 launches its fifth @SES_Satellites O3b mPOWER mission from Florida https://t.co/C4pV6k9h3T ...

Deployment of both O3b mPOWER satellites confirmed ...

Falcon 9’s first stage has landed on the Just Read the Instructions droneship https://t.co/Kbqj2dh6MR ...

Liftoff! https://t.co/aVZ06WjiuP ...

Watch Falcon 9 launch the @SES_Satellites O3b mPOWER mission to orbit https://t.co/BH9NeHQfzK ...

T-30 minutes until Falcon 9’s launch of the @SES_Satellites O3b mPOWER mission from Florida. Weather conditions have improved to 60% favorable for liftoff ...

@NASA Standing down from today's launch attempt due to FAA airspace concerns that created a no-go condition for launch. Now targeting tomorrow, July 23 for liftoff of TRACERS ...