evidence: American military sites at key regional hubs like Hawaii or Guam, the U.S.'s westernmost point, were not included in the overseas presence map. Similarly, China's militarized artificial islands in the Spratly and Paracel archipelagos in the South China Sea were excluded. [...] China's only publicly acknowledged overseas base is 3 miles west of Camp Lemonnier—the only permanent U.S. military base in Africa—and near about half a dozen other installations run by U.S. allies at the critical shipping node. [...] China's overseas bases could support noncombatant evacuation operations, sea lane patrols and "non-kinetic" missions against U.S. activities, the authors said—military parlance for intelligence gathering or cyberattacks.