https://www.space.com/38072-sierra-nevada-dream-chaser-orbital-space-plane-flight.html
Sierra Nevada Takes Steps Toward Orbital Space Plane Flight | Space
Sep 11, 2017 - Four years after a failed landing attempt, the Sierra Nevada Corp. is preparing for another test flight of the company's Dream Chaser space plane.
orbital space planesierra nevadatakesstepstoward
https://www.space.com/x-37b-military-space-plane-nears-mission-duration-record
US Space Force's X-37B space plane nears orbital record | Space
Jun 28, 2022 - The Space Force's X-37B has now been aloft for 773 days, just a week shy of the program record.
us space forcex 37bplanenearsorbital