Chinese rocket startup bounces back from 3 straight failures with successful launch (video)
"Outside of the test rig/ stand. Test article is inside (you can’t see it). Hydrogen leak. H2 accumulated inside the rig. Found an ignition source. Burned fast. Over pressure caved in our forward dome and damaged the rig." - Tory Bruno
NASA sets sights on a next-generation Mars helicopter to return Red Planet samples