Zuma satellite plunged after SpaceX launch because of Northrop Grumman errors, report says
http://www.latimes.com/business/la-fi-northrop-grumman-zuma-20180409-story.htmlThe loss of the secretive Zuma satellite — which was launched by SpaceX in January — was reportedly due to a problem with a part modified by Northrop Grumman Corp. that attaches the payload to the rocket.