A spacecraft taking off from a private West Texas spaceport being bankrolled and developed by Amazon.com founder Jeff Bezos would take off vertically, but unlike NASA's space shuttle would also land vertically, according to an environmental study that offers a glimpse into the secretive plans. The craft would hit an altitude of about 325,000 feet — or almost 62 miles — before descending and restarting its engine for a "precision vertical powered landing on the landing pad" in sparsely populated Culberson County, about 125 miles east of El Paso. Those were among the plans detailed in a 229-page draft of...