GUIDING SPIRIT A U.S. airman guides a B-2 Spirit, known as the stealth bomber, for refueling during Saber Strike 15 on Royal Air Force Fairford, England, June 7, 2015. The exercise demonstrates the aircraft's capabilities to forward-deploy and deliver conventional and nuclear deterrence. SHARE IMAGE: Download Image: Full Size (0.05 MB) Photo By: VIRIN: 140973-G-WXM63-783.jpg Photo Gallery