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The Airframer Bulletin

Sierra Space
All news ✕ Clear ‹ Current edition

Every Bulletin story and press release covering Sierra Space, newest first.

22 items

2026
5 March

ReleaseSierra Space closes $550 million in Series C round, with a valuation of $8 billion

2025
20 November Dream Chaser spaceplane undergoing high-speed tow testing, pulled by a fifth-generation Freightliner Cascadia truck at Kennedy Space Center.

Dream Chaser clears tests ahead of free-flyer launch

High-speed tow trials, EMI checks and command link verification have advanced the Dream Chaser programme toward its first runway landing at Vandenberg.

25 September

ReleaseDream Chaser advances toward first flight, eyes multi-use applications

12 February

ReleaseSierra Space completes test campaign on next generation Vortex 35,000 lbf fuel-rich LOX LH2 engine

30 January Testing took place at NASA’s Kennedy Space Center in Florida with oversight from both Sierra Space and NASA.

Sierra Space completes key Dream Chaser test for ISS mission

Joint Test 10B confirmed the spaceplane's ability to power and support payloads ahead of its first resupply flight.

2024
2 August

ReleaseSierra Space commences final testing and launch preparations for Dream Chaser spaceplane at NASA’s Kennedy Space Center

9 May

ReleaseSierra Space reinvents space transportation with Dream Chaser

7 March

ReleaseSierra Space Dream Chaser spaceplane successfully completes first phase of pre-flight testing

2023
15 December

ReleaseSierra Space’s revolutionary Dream Chaser enters final test campaign, spaceplane transitioning to orbital operations

30 November

ReleaseSierra Space Shooting Star cargo module initiates rigorous testing at NASA’s Neil Armstrong Test Facility

2 November

ReleaseToday Sierra Space introduces Tenacity

26 September

ReleaseSierra Space increases total investment to a record $1.7 billion with $290m Series B funding, bringing valuation to $5.3 billion

14 August

ReleaseU.S. Government awards contract to Sierra Space to develop powerful new upper-stage rocket engine

31 May

ReleaseSierra Space’s Dream Chaser spaceplane comes to life

2022
4 August

ReleaseVORTEX upper stage engine achieves Critical Design milestone

31 May

ReleaseSierra Space & Spirit AeroSystems form strategic partnership to bring affordable space systems to market

30 March

ReleaseSierra Space to revolutionize space exploration with Siemens’ Xcelerator

2021
21 April

ReleaseOzmens’ SNC launches Sierra Space, an independent commercial space company

2020
21 April

ReleaseSNC’s Dream Chaser spaceplane wings arrive in Colorado

2019
29 May

ReleaseOzmens’ SNC test-fires next-gen rocket engine in prep for U.S. launches

2018
11 October

ReleaseNew upper stage rocket engine a step closer to reality

2014
19 June

ReleaseSierra Nevada Corporation to acquire Orbital Technologies Corporation