"NASA's baseline budget for the year beginning Oct. 1 pulls the plug on the 10-year-old Mars rover Opportunity, newly released details of the agency's fiscal 2015 spending plan show. The plan, which requires Congressional approval, also anticipates ending the orbiting Mars Odyssey mission on Sept. 30, 2016. "There are pressures all over the place," NASA's planetary science division director Jim Green said during an advisory council committee teleconference call on Wednesday. NASA currently spends about $13 million a year to support Opportunity."
Keith's note: Just as JWST cost growth is killing off valuable existing missions that cost a pittance to continue - and stiffling others from even being started - SLS will soon start to eat Human Spaceflight's budgetary lunch - and the 2024 ISS extension will become less and less of a certainty