The Way Home (Part 4 of The Thrones of Mars Series‪)‬

The astronauts manage to leave Mars - despite interference from the robots, and an entity on Earth. The next problem was to link in with the Phoenix - once again with no help from the robot control network. Problems on Earth caused are by a Tsunami along the East Coast of the USA This has wiped out most of the NASA infrastructure.
Added to this is the tenacity of the robots, who have been given instructions to prevent the return at any cost.