Airbus Military, Lockheed Try Winglets on Airlifters

Airbus Military, Lockheed Try Winglets on Airlifters:
Winglets are de rigueur on business jets, and becoming ubiquitous on commercial airliners, but still a rarity on military airlifters. Now Airbus Military is flight-testing drag-reducing winglets on its C295 light transport. And Lockheed on its Hercules.
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