B-57 Still Going Strong at 59

At left: The NASA 926 WB-57 aircraft on a research mission gathering data to understand Earth's environment

At right: Payloads up to 6,000 pounds can be carried in the aircraft's belly, aft fuselage, tail cone, wing pods, wing hatches and/or the nose cone

At left: Flight and ground crew pose in front of one of the two WB-57's still in service