Raptor and Booster S1. 42 of the former on the latter. Happy with a lot of engines. Redundancy is a big factor. pic.twitter.com/WoIw97sf45— Chris Bergin - NSF (@NASASpaceflight) September 27, 2016
Raptor and Booster S1. 42 of the former on the latter. Happy with a lot of engines. Redundancy is a big factor. pic.twitter.com/WoIw97sf45