Blue Origin's NS-29 New Shepard rocket is expected to launch by late Jan. 31 after a delay if all goes well. Here's what to know

While New Shepard is best known as a space tourist vehicle, 19 of its 28 flights to date have been uncrewed. The reusable rocket-capsule combo last flew people on Nov. 22, a mission that sent "The Space Gal" Emily Calandrelli and five other folks to the final frontier.