U.S. Fifth-Generation Fighters, Strategic Bombers Conduct Show of Force with Allies in Response to North Korea Missile Launch An Air Force B-1B Lancer bomber prepares for takeoff from Andersen Air Force Base, Guam, into Japanese airspace and over the Korean Peninsula, Aug. 31, 2017, in a combined show of force with allies in response to a North Korean missile launch. The B-1 was first introduced into the Air Force inventory in 1986. Air Force photo by Master Sgt. J.T. May III SHARE IMAGE: Download Image: Full Size (0.92 MB) Photo By: Master Sgt. James May VIRIN: 170831-F-ZM606-910.JPG Photo Gallery