2011 / Feb
Rocket Lab / captured 23 July 2011 from http://www.rocketlab.co.nz/rocket-lab-news.html
February 2011 – Rocket Lab successfully concluded the first phase of their DARPA contract. The research was focused on developing new novel high density mono propellants that have the potential to offer significant advantages over the current state of the art. The research concluded with a series of fully instrumented static test fires validating the propulsion system for further development.
The quote is the release as captured. Not a rklb.report rewrite. Not affiliated with Rocket Lab.