InSight Prelaunch Briefing

Andy Klesh, MarCO chief engineer, NASA JPL, left, and Annie Marinan, MarCO Systems Engineer, NASA JPL discuss NASA's Mars Cube One (MarCO) technology demonstration mission during a prelaunch media briefing, Thursday, May 3, 2018, at Vandenberg Air Force Base in California. MarCO, which is a separate mission launching on the same rocket at NASA’s InSight mission to Mars, will test new miniaturized deep space communication equipment. Photo Credit: (NASA/Bill Ingalls)