MAVEN Press Briefing. NASA public domain image colelction.

David Mitchell, MAVEN project manager, NASA's Goddard Space Flight Center, discusses the upcoming launch of the Mars Atmosphere and Volatile Evolution (MAVEN) mission, at a press conference at NASA Headquarters in Washington on Monday, Oct. 28th, 2013. MAVEN is the agency's next mission to Mars and the first devoted to understanding the upper atmosphere of the Red Planet. (Photo credit: NASA/Jay Westcott)