B-1 BOMBER TOUR Air Force Lt. Col. John "Oasis" Martin gives Defense Secretary Leon E. Panetta a tour of the B-1 bomber on Barksdale Air Force Base, La., Feb. 17, 2012. Panetta toured several long-range bombing aircraft during his visit. SHARE: Download: Full Size (0.06 MB) Credit: VIRIN: 140218-A-YMN50-020.jpg Photo Gallery