NASA GL-10 Greased Lightning ‹› Overview The GL-10 Greased Lightning is a hybrid diesel-electric tiltwing unmanned aircraft. Specifications Aircraft Roles UAVs Country United States Timeline 2010s View on Wikipedia → ◀ NASA Centurion NASA Pathfinder ▶ Similar Aircraft Northrop Grumman X-47B United States 2010s Kratos XQ-58 Valkyrie United States 2010s Northrop Grumman RQ-180 United States 2010s AeroVironment Switchblade United States 2010s Hybrid Air Vehicles Airlander 10 United States 2010s Boeing Insitu RQ-21 Blackjack United States 2010s
