https://cdnph.upi.com/ph/st/th/4131781049986/2026/upi_com/66b7f4e4e232dcdd3b4a48d93e555411/v1.5/South-Korea-warned-on-fragmented-air-defenses.jpg" /> Military, industry and academic experts warned that South Korea must urgently build an integrated air and missile defense system as drone swarms.