For the first time in half a century, countdown clocks began ticking Monday toward launch of a three-man one-woman crew on a trip to the moon and back , a major step in NASA's accelerated drive to establish a lunar beachhead with landings in 2028, followed by construction of a moon base. With forecasters continuing to predict an 80% chance of favorable weather, Artemis II commander Reid Wiseman, Victor Glover, Christina Koch and Canadian astronaut Jeremy Hansen hope to strap into their Orion