CAPE CANAVERAL, Fla. (AP) – NASA began the countdown Monday for humanity's first launch to the moon in 53 years. The 32-story Space Launch System rocket is poised to blast off Wednesday evening with four astronauts . After a day in orbit around Earth, their Orion capsule will propel them to the moon and back. There are no stops – just a quick U-turn around the moon. The nearly 10-day flight will end with a splashdown in the Pacific. "Our team has worked extremely hard to get us to this moment,"