B-1B Lancer bombers flanked by U.S. Marine Corps F-35 Lightning II and Japan Air Self-Defense Force F-2 fighters execute a bilateral mission over the Pacific Ocean, demonstrating the United States' ironclad commitment to its allies in the face of aggressive and unlawful North Korean missile tests, Sept. 17, 2017. This mission was conducted in direct response to North Korea's intermediate range ballistic missile launch, which flew directly over northern Japan on September. (Courtesy Photo)