The helicopter carrying NASA astronauts Robert Behnken and Douglas Hurley to Pensacola Naval Air Station is seen silhouetted on the SpaceX GO Navigator recovery ship after the duo landed in their SpaceX Crew Dragon Endeavour spacecraft in the Gulf of Mexico off the coast of Pensacola, Florida, Sunday, Aug. 2, 2020. The Demo-2 test flight for NASA's Commercial Crew Program was the first to deliver astronauts to the International Space Station and return them safely to Earth onboard a commercially built and operated spacecraft. Behnken and Hurley returned after spending 64 days in space. Photo Credit: (NASA/Bill Ingalls)