Invincible Shield: US, UK, ROK air forces conduct strategic exercise
A Royal Air Force Eurofighter Typhoon FRG4 takes off at Osan Air Base, Republic of Korea, Nov. 7, 2016. The RAF deployed the largest number of assets on the Korean Peninsula since the Korean War during Invincible Shield, an interoperability exchange, from Nov. 1 – 10. (U.S. Air Force photo by Senior Airman Victor J. Caputo)