By Traci Watson, USA TODAY
Social skills weren’t part of the job description for America’s first astronauts.
Mercury astronaut Alan Shepard was known as the “Ice Commander” for his chilly glare. Colleagues Deke Slayton and Gus Grissom thought they’d had “a deep talk” if they exchanged 40 sentences during a cross-country flight, Tom Wolfe wrote in his book The Right Stuff.