“Fuel pressure green,” Johanssen’s voice said from a billion televisions. “Engine alignment perfect. Communications five by five. We are ready for preflight checklist, Commander.” “Copy.” Lewis’s voice. “CAPCOM.” “Go,” Johanssen responded. “Guidance.” “Go,” Johanssen said again. “Remote Command.” “Go,” said Martinez. “Pilot.” “Go,” said Watney from the MAV. A mild cheer coruscated through the crowds worldwide.