Alpha launch in real time

Launch of an Alpha Rocket in real time at out test firing at the RRS's Mojave Test area on 07/22/2017

[@headbanger1428]

How does it not rupture at that impulse? I suppose the containment is some alloy? Incredible!

[@StreuB1]

25 years ago or so, didn't someone at the RRS try and do a Beta cluster or a staged micrograin??? I vaguely remember this....
I need to rejoin I think..... :-)