Official websites use .mil
Secure .mil websites use HTTPS
Weapons dropped from U.S. Air Force B-1B Lancer bombers and U.S. Marine Corps F-35B Lightning II practicing attack capabilities impact the Pilsung Range, Republic of Korea, Aug. 31, 2017. The F-35Bs, assigned to Marine Corps Air Station Iwakuni, Japan, conducted a sequenced bilateral mission with South Korean F-15K and Koku Jieitai (Japan Air Self-Defense Force) F-2 fighters. This mission is in direct response to North Korea's intermediate range ballistic missile launch and emphasizes the combined ironclad commitment to regional allies and partners.