PIC: B-2 Refueling Mid-air

A Hawaii Air National Guard KC-135 tanker refuels a B-2 bomber over the Pacific near Hawaii in this Oct. 23, 2007 photo provided by the U.S. Air Force. The sleek, boomerang-shaped planes flew in for exercises from Guam, where they've been assigned to deter North Korea and fill gaps in the regional U.S. military presence created by deployments to Iraq and Afghanistan. (AP Photo/Master Sgt. Mark Sindiong.) (news.yahoo.com) 更多...