Lockheed Developing Winglets For C-130, C-5

Lockheed Martin is testing winglets and other drag-reducing modifications to cut the fuel consumption of C-130 Hercules and C-5 Galaxy airlifters.

With large-scale wind tunnel testing completed, Lockheed is fabricating a shipset of winglets for flight testing on a C-130 in 2012. The modification could be available for both ...