Boeing WB-47E Stratojet.B-47 Stratojet remains one of the most important aircraft ever designed by The Boeing Company. More than fifty years ago, the B-47 emerged as the world's first large multi-engine swept-wing airplane -- a design configuration that became the standard for all modern jetliners. In addition to its 35-degree swept wings, the B-47 featured pod-mounted engines and "bicycle" landing gear, which marked a daring departure from existing aircraft designs.
A U.S. Air Force B-1B Lancer bomber belonging to Dyess Air Force Base, Texas, flies through the sky after refueling during a training sortie involving aircraft from Dyess and Kadena Air Base, Japan, May 8, 2015. During this training, a Kadena-based KC-135 Stratotanker from the 909th Air Refueling Squadron traveled to Guam to allow crews from both aircraft to practice refueling procedures. (U.S. Air Force photo by Tech. Sgt. Darnell T. Cannady)