130822-F-XX000-100 Published on January 15, 2015 in 16–18 January 1957Full resolution (624 × 221) ← Previous Next → A Boeing B-52 Stratofortress refuels in flight from a Boeing KC-97 Stratotanker. The KC-97 had to enter a shallow dive to increase its speed, while teh B-52 flew in landing configuration to fly slow enough to stay with the tanker. (U.S. Air Force)