Taiwan is requiring its reservists to train longer and harder, introducing drones and US-made Himars rocket systems into a revamped 14-day call-up programme as it races to offset worsening troop shortages amid a demographic decline. One of the biggest reforms of Taiwan’s reserve force in decades, the overhaul reflects growing concern that a shrinking pool of military-age recruits and mounting pressure from Beijing mean the island can no longer rely solely on its standing military. From this...