⚡ Nino Observer 📌 south korea South Korea Weighs KF-21 Block 2 Production Delay Amid Rising Costs - Aviation Week 📰 Aviation Week · 📅 May 12, 2026, 12:35 PM · 🌐 aviationweek.com South Korea Weighs KF-21 Block 2 Production Delay Amid Rising Costs Aviation Week Read full article →