Date of Birth: Aug. 24, 1944
                    
                        Date of Death: Jan. 28, 1986
                    
                    
                
Gregory Bruce Jarvis (August 24, 1944 – January 28, 1986) was an American engineer who died during the destruction of the Space Shuttle Challenger on mission STS-51-L, where he was serving as Payload Specialist for Hughes Aircraft.
The tenth mission for Challenger, STS-51-L was scheduled to deploy the second in a series of Tracking and Data Relay Satellites, carry out the first flight of the Shuttle-Pointed Tool for Astronomy (SPARTAN-203) / Halley's Comet Experiment Deployable in order to observe Halley's Comet, and carry out several lessons from space as part of the Teacher in Space Project and Shuttle Student Involvement Program (SSIP).
Low Earth OrbitClassified Earth observation satellite officially reported as for "national resources/hydrology/meteorology surveying & disaster management" purposes.
Communications Satellite for the Indian Navy, replacing GSAT-7 for secure real-time links between Indian warships, submarines, aircraft, and shore-ba…
Dedicated rideshare flight to a mid-inclination orbit with dozens of small microsatellites and nanosatellites for commercial and government customers.
A batch of 28 satellites for the Starlink mega-constellation - SpaceX's project for space-based Internet communication system.
Tenth crewed flight to the Chinese space station.