To counter China, the U.S. is racing to upgrade a handful of remote airstrips in the Pacific Ocean. WSJ’s Niharika Mandhana traveled to Tinian Island, where the U.S. is working to clear overgrowth to unearth the runways of a vast World War II-era airfield. WSJ explores how this construction is part of a wider strategy to combat Beijing’s ability to threaten the U.S.’s larger bases including those on nearby Guam. Chapters:0:00 Remote airways in the Pacific0:48 Construction on Tinian Island2:21 Tinian history3:00 Hub and spoke3:55 Guam’s roleNews 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.#China #Guam #WSJ