NASA announced an agencywide realignment last week and is continuing to refine its planned lunar missions with a far-reaching goal to bring humans to Mars. WASHINGTON — NASA’s ongoing lunar missions and its ambitious plan to build a permanent base on the moon’s south pole are pushing ahead. The agency is holding a news conference Tuesday to share the latest updates on the projects and its larger visionwhich comes days after NASA announced its agencywide realignment to “increase mission focus and move out on the National Space Policy.” “NASA is advancing development of Moon Base, a long-term lunar exploration and…