Blue Origin and SpaceX among winners of NASA technology agreements for lunar landers and launch vehicles
Former space executive Sirangelo joins University of Colorado
Sirangelo leaving Sierra Nevada Corporation
NASA will pay more for less ISS cargo under new commercial contracts
Sierra Nevada weighing options for launching future Dream Chaser missions
Sierra Nevada gets NASA approval for first Dream Chaser ISS cargo mission
Sierra Nevada clears Dream Chaser test milestone
Sierra Nevada satisfied with Dream Chaser glide test
Dream Chaser successfully completes glide flight
Dream Chaser glide test expected soon

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