
Workers at the Propulsion Systems Laboratory at Lewis Research Center, now John H. Glenn Research Center, develop the Centaur upper…

NASA astronaut Scott Kelly, Expedition 25 flight engineer, is pictured in the Cupola of the International Space Station on Oct.…

An engineering technician guides a circumferential weld of the “pathfinder” version of the adapter design that will be used on…

Engineers conduct their first circumferential weld of the “pathfinder” version of the adapter design that will be used on test…

A welding technician inspects a circumferential weld of the “pathfinder” version of the adapter design that will be used on…