Stephen Baxter 
Voyage 

What if John F. Kennedy survived?President Nixon, with the help of former president JFK, has just green-lit NASA’s first manned expedition to Mars.Aboard, Natalie York, a geologist who risks everything she loves for the chance to go to space; Phil Stone, former X-15 test pilot; and Ralph Gershon, a Vietnam War hero intent on being the first African American to reach another planet.Exploring mankind’s presence in the extra-terrestrial expanse, VOYAGE chronicles the incredible story of what could have been.