On mankind’s last mission to the moon, a killer comes along for the ride Since the first manned spaceflight in 1944, NASA has conquered the outer atmosphere, explored Mars, and placed nuclear missiles on the moon. But funding for interstellar adventures—military or otherwise—has dried up. Now, NASA is planning a final lunar mission to pack up the remnants of man’s first extraterrestrial colony. The nuclear missiles are meant to be shot into the sun, but…