Trees and wild vines grow beside an abandoned concrete structure called a "Quonset hut" formerly used as barracks for U.S. Marines in what used to be America's largest overseas naval base at the Subic Bay Freeport Zone, Zambales province, northwest of Manila, Philippines on Monday Feb. 6, 2023. The U.S. has been rebuilding its military might in the Philippines after more than 30 years and reinforcing an arc of military alliances in Asia in a starkly different post-Cold War era when the perceived new regional threat is an increasingly belligerent China. (AP Photo/Aaron Favila)