Only NASA , the former Soviet Union and Europeans have succeeded with Mars probes . Comment: ISRO chairman K Radhakrishnan says one of the biggest technological challenges is just getting there . CNN Mars full coverage . NASA is due to launch its MAVEN probe to Mars later in November .
Only NASA , the former Soviet Union and Europeans have succeeded with Mars probes . Comment: ISRO chairman K Radhakrishnan says one of the biggest technological challenges is just getting there . NASA is due to launch its MAVEN probe to Mars later in November .