President Trump plans to announce that Space Force Gen. Michael Guetlein will oversee development of the ambitious Golden Dome antimissile shield, envisioned to protect the U.S. from high-tech threats. Last year, WSJ’s Shelby Holliday sat down with Space Force chief Gen. B. Chance Saltzman to learn more about why space is becoming an increasingly important domain for the U.S. military, and how adversaries like Russia and China might use space to launch attacks. Chapters:0:00 U.S.’s Space Force0:49 Threats in space3:06 Space weapons4:29 What Space Force does 7:00 What’s next?News ExplainersSome days the high-speed news cycle can bring more questions than answers. WSJ’s news explainers break down the day’s biggest stories into bite-size pieces to help you make sense of the news.#Military #Space #WSJ