By Katanga Johnson WASHINGTON (Reuters) – Jeff Bezos’ space tourism venture Blue Origin completed its fifth crewed launch on Saturday after a New Shepard rocket’s back-up system that had not met expectations delayed the voyage last month. Blue Origin’s fourth flight landed successfully in March in west Texas after taking six passengers for a 10-minute journey to the edge of space. “It was an honor to fly this special crew of explorers and true pioneers today,” said Phil Joyce, Senior Vice President for New Shepard. “Each mission is an opportunity to provide another six people the life-changing…