(Editor's Note: This story has been updated to reflect a change in the STP-3 launch date.) A Space Force mission set to launch early Tuesday morning will include a new Long-Duration Propulsive ESPA ring the service is using to carry prototype payloads that, in some cases, could augment operational capabilities. The Space Test Program-3 launch’s primary mission is STPSat-6, which includes nine payloads for various partners, including NASA, the National Nuclear Security Administration and the Defense Department’s Space Experiment...
