Space News, 11 November 2015
http://spacenews.com/air-force-funds-3-d-printing-study-for-rocket-engines/
The U.S. Air Force awarded the Johns Hopkins University’s Whiting School of Engineering a $545,000 contract to study additive manufacturing techniques to make cooling chambers for liquid rocket engines, according to a Nov. 4 press release from the Air Force’s Space and Missile Systems Center.
